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Heavy Metal Index
Whole and cut English muffins and a separate plain ring doughnut illustrating english muffin ingredient context.

Heavy metals in English muffin

Lead, cadmium, total arsenic and total mercury in english muffin: monitoring results, studies, references by form and basis, limits, testing and controls.

Quick read

English muffin in the HMI library has 15 reported results for lead, cadmium, total arsenic, total mercury, nickel, chromium and uranium from 5 sources.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →5Judith H. Spungen · 2019Children’s exposures to lead and cadmium: FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →

English muffin overview

English muffin in the HMI library has 15 reported results for lead, cadmium, total arsenic, total mercury, nickel, chromium and uranium from 5 sources.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →5Judith H. Spungen · 2019Children’s exposures to lead and cadmium: FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source → WHO GEMS/Food submissions reported lead in english muffin, as sold from 53 results in 1 reporting region, with subgroup medians below 10 µg/kg, mostly non-detects.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → In the US Total Diet Study, english muffin, as sold had a median lead result below 4 µg/kg across 27 composites from 2017–2020.2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →

Across 2 other studies of ordinary farms and markets, reported lead means and medians on an as-sold or fresh-weight basis ranged from 2.6 µg/kg (Spungen et al. 2024) to 10 µg/kg (Gavelek et al. 2019).3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source → Spungen et al. 2024 reported cadmium at 29 µg/kg (mean) in english muffin, as sold from all samples.4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →

For a buyer the practical points are the form bought, the basis a result is reported on, where the english muffin came from and the laboratory’s reporting limit. Testing finds contamination but does not remove it.

What counts as english muffin

This page covers english muffin in 2 forms kept separate in every comparison: english muffin, as sold (13 results) and english muffin, cooked (2 results).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →5Judith H. Spungen · 2019Children’s exposures to lead and cadmium: FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →

Results stay on the basis each source reports: as sold or fresh weight, dry weight, or unstated. Dry-weight, as-sold and unstated results are never pooled, and no moisture conversion is applied.

Heavy metal contamination profile of english muffin

The table holds every extracted english muffin result: one row for each statistic a source reports for a form, group and metal, 15 rows in all, grouped by metal and form; percentiles, ranges and maxima for the same samples as a mean or median are shown on that row.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →5Judith H. Spungen · 2019Children’s exposures to lead and cadmium: FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source → Monitoring medians are HMI calculations from individual submissions; non-detects remain intervals between zero and the reporting limit and are never read as zero.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

6 rows can be rated against an HMI reference for the same form and basis, 1 row have a direct same-study comparison, and the rest stay unrated with the reason recorded.

Comparison methods and scope

Each row is one statistic a source reports for one form of english muffin, group and metal; percentiles, ranges and maxima reported for the same samples as a mean or median are shown on that row. Different forms and preparation states are kept apart, and dry-weight results never share a reference with as-sold or fresh-weight results. Ratings place a result against an HMI reference built from monitoring results and ordinary-setting medians for the same form and basis. Same-study contrasts compare a contaminated or treated site with its control, targeted with random sampling, a prepared form with the unprocessed one, or one group of a study with the median of its other groups. Held rows failed a check against their own source and are shown but not compared.

About this table
Food formCollection scopeFindingComparisonEvidence
English muffin findings from monitoring programmes, total diet studies and every extracted field, market and contaminated-site study, in µg/kg with each source’s form, basis, statistic and censoring retained.
Food formCollection scopeFinding (µg/kg)ComparisonEvidence
5 findings · 5 studies
English muffin, as soldWHO GEMS/FoodPAHO2000–2017median.
English muffin, as soldFDA Total Diet Study6 collection regions2017–2020median.
English muffin, as soldGavelek et al. 2019US FDA Total Diet Study 2014-2016, all regions and collections2014–2016mean.
English muffin, as soldSpungen et al. 2024all samples2018–2020mean.
English muffin, as soldSpungen 2019all samples, TDS market baskets 2014-20162014–2016Basis not statedmean.
1 finding · 1 study
English muffin, cookedWHO GEMS/FoodPAHO2013–2014median.
3 findings · 3 studies
English muffin, as soldWHO GEMS/FoodPAHO2011–2017median.
English muffin, as soldFDA Total Diet Study6 collection regions2017–2020median.
English muffin, as soldSpungen et al. 2024all samples2018–2020mean.
1 finding · 1 study
English muffin, cookedWHO GEMS/FoodPAHO2014median.
1 finding · 1 study
English muffin, as soldFDA Total Diet Study6 collection regions2017–2020median.
1 finding · 1 study
English muffin, as soldFDA Total Diet Study6 collection regions2017–2020median.
1 finding · 1 study
English muffin, as soldFDA Total Diet Study6 collection regions2017–2020median.
1 finding · 1 study
English muffin, as soldFDA Total Diet Study6 collection regions2017–2020median.
1 finding · 1 study
English muffin, as soldFDA Total Diet Study6 collection regions2017–2020median.
Shared dataset methods and interpretation

Source summaries retain their original statistic, material, basis and censoring. Each source drawer identifies methods and overlapping samples. No matched reference or pooled distribution is inferred.

HMI english muffin Pb reference · English muffin, as sold

Reference and scope

HMI english muffin Pb reference · English muffin, as sold. English muffin, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference≤4≤4≤10
Alternative weighting≤4≤4≤10

39 reference units; 2 sampling families. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food1250%
FDA Total Diet Study2750%

Methods

HMI pools subgroup medians for english muffin, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

2 sampling families with different designs; none is a probability sample of world supply. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-3a08a53eb3e6:cf9b297c12ce

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin Pb reference · English muffin, cooked

Reference and scope

HMI english muffin Pb reference · English muffin, cooked. English muffin, cooked; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference1.652.082.5
Alternative weighting1.652.082.5

2 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food2100%

Methods

HMI pools subgroup medians for english muffin, cooked on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

WHO GEMS/Food is the only compatible sampling family for english muffin, cooked on this basis in the completed english muffin ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-5a10c714a226:0de948469ed0

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin Cd reference · English muffin, as sold

Reference and scope

HMI english muffin Cd reference · English muffin, as sold. English muffin, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference232529.5
Alternative weighting232529.5

34 reference units; 2 sampling families. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food750%
FDA Total Diet Study2750%

Methods

HMI pools subgroup medians for english muffin, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

2 sampling families with different designs; none is a probability sample of world supply. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-acba99475268:d975880d4b90

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin Cd reference · English muffin, cooked

Reference and scope

HMI english muffin Cd reference · English muffin, cooked. English muffin, cooked; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference13.613.613.6
Alternative weighting13.613.613.6

1 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food1100%

Methods

HMI pools subgroup medians for english muffin, cooked on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

WHO GEMS/Food is the only compatible sampling family for english muffin, cooked on this basis in the completed english muffin ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-d3bc31d99295:bd6952178da3

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin tAs reference · English muffin, as sold

Reference and scope

HMI english muffin tAs reference · English muffin, as sold. English muffin, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference3.94.46.5
Alternative weighting44.66.5

27 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study27100%

Methods

HMI pools subgroup medians for english muffin, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for english muffin, as sold on this basis in the completed english muffin ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-c39d2aab0e0e:c0ae6a7cfc18

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin tHg reference · English muffin, as sold

Reference and scope

HMI english muffin tHg reference · English muffin, as sold. English muffin, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference≤1≤1≤1
Alternative weighting≤1≤1≤1

27 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study27100%

Methods

HMI pools subgroup medians for english muffin, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for english muffin, as sold on this basis in the completed english muffin ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-48f685d647d9:663104beafb4

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin Ni reference · English muffin, as sold

Reference and scope

HMI english muffin Ni reference · English muffin, as sold. English muffin, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference6981100
Alternative weighting6981100

27 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study27100%

Methods

HMI pools subgroup medians for english muffin, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for english muffin, as sold on this basis in the completed english muffin ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-c49313c3d536:4b5c4de6a151

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin Cr reference · English muffin, as sold

Reference and scope

HMI english muffin Cr reference · English muffin, as sold. English muffin, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference≤50≤5079
Alternative weighting≤505179

27 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study27100%

Methods

HMI pools subgroup medians for english muffin, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for english muffin, as sold on this basis in the completed english muffin ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-cdca7c417a4e:1ddad41a6a47

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI english muffin U reference · English muffin, as sold

Reference and scope

HMI english muffin U reference · English muffin, as sold. English muffin, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference1.62.85.3
Alternative weighting1.62.855.3

27 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study27100%

Methods

HMI pools subgroup medians for english muffin, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1–Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for english muffin, as sold on this basis in the completed english muffin ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:english-muffin-2c5264702371:eaab1f38b73e

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

1 dataset

How metals reach english muffin

No study in the library compared english muffin from contaminated and ordinary settings, so the routes by which metals reach it are not measured here.

Which forms and regions measured lower

The HMI reference for lead in english muffin, as sold pools 39 subgroup units from 2 sampling families, with a median of below 4 µg/kg and a middle half spanning below 4 (lower quartile) and below 10 µg/kg (upper quartile).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source → For cadmium in english muffin, as sold, the reference median was 25 µg/kg, with a middle half from 23 to 29.5 µg/kg across 34 units.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source → For total arsenic in english muffin, as sold, the reference median was 4.4 µg/kg, with a middle half from 3.9 to 6.5 µg/kg across 27 units.2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →

Processing, cooking and preparation

Processed or prepared forms were compared only with unprocessed english muffin in the same study and group. English muffin, cooked (PAHO) had cadmium lower at 13.6 µg/kg, against 22 µg/kg for the unprocessed form in the same group (english muffin, as sold).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Forms differ in water content, so a per-kilogram difference is not by itself a measured removal or gain of metal.

Mitigation for english muffin

No control for metals in english muffin was measured in the library; lot testing against the applicable limit remains the verifiable step.

No study in this library has yet measured a way to lower heavy metals in english muffin; the results above show the levels measured, and lot testing against the applicable limit remains the verifiable check.

Trade-offs and limits of controls

Metals do not move together, so a lot that passes a lead limit says little about cadmium, arsenic or nickel unless those are tested as well.

Testing english muffin for metals

Results depend on the method and its reporting limit. Reporting limits for lead ranged from 1 µg/kg (WHO GEMS/Food) to 3,000 µg/kg (WHO GEMS/Food), so a non-detect from a less sensitive method says much less.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → Reporting limits for cadmium were 1 µg/kg where sources stated them.2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →

A useful lot result names the form, the basis and a quantification limit well below the limit that applies.

Buying and verifying english muffin

No maximum level for metals in english muffin was verified from primary text for this page; buyers should confirm the limit that applies in the destination market.

Exposure from english muffin

No source in the library converted english muffin concentrations into a verified estimate of intake for a defined population. Concentrations describe the food, not individual risk.

Evidence review and remaining gaps

Every source record that names english muffin was decided on its content: 5 occurrence extracted, 5 records in all. The occurrence table renders every extracted result; held values remain visible with their reason.

References identify the sources used in these answers. The Sources index preserves additional discovery links; inclusion there does not mean a source has been reviewed for this assessment. Corrections, completed searches, new direct evidence and changes in requirements should reopen the relevant answer.

English muffin FAQs

What heavy metals are found in english muffin?

The library reports lead, cadmium, total arsenic, total mercury, nickel, chromium and uranium in english muffin, most often lead, cadmium and total arsenic.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source → WHO GEMS/Food submissions reported lead in english muffin, as sold from 53 results in 1 reporting region, with subgroup medians below 10 µg/kg, mostly non-detects.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Does processing change heavy metals in english muffin?

Only comparisons between forms in the same study are available, not before-and-after measurements of the same english muffin.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → English muffin, cooked (PAHO) had cadmium lower at 13.6 µg/kg, against 22 µg/kg for the unprocessed form in the same group (english muffin, as sold).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

References

Works cited on this page, in citation-number order. See Sources for this page’s source inventory. Each title links to a source record with bibliographic details, reported findings, and document provenance.

  1. GEMS/Food Contaminants database heavy-metal exportsWorld Health Organization · GEMS/Food Contamination Monitoring and Assessment Programme · 2026 · extranet.who.intDataset
  2. FY2018-FY2020 TDS Elements Analytical ResultsU.S. Food and Drug Administration · FDA Total Diet Study · 2022 · www.fda.govDataset
  3. Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, et al. · Food Additives & Contaminants: Part A · 2019 · doi.org/10.1080/19440049.2019.1681595Peer-reviewed
  4. Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Spungen JH and et al. · Food Additives & Contaminants: Part A · 2024 · doi.org/10.1080/19440049.2024.2396910Peer-reviewed
  5. Children’s exposures to lead and cadmium: FDA total diet study 2014-16Judith H. Spungen · Food Additives & Contaminants: Part A · 2019 · doi.org/10.1080/19440049.2019.1595170Peer-reviewed

Sources

Browse English muffin Sources for sources cited on this page and additional discovery candidates. The searchable index distinguishes verified citation use from discovery relationships whose relevance has not been established.

Update history

22 October 2026: Rebuilt from every english muffin record in the library: 5 occurrence sources, references by form and basis, same-study contrasts.