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Public health and WHO

Glyphosate in food — are pesticides ending up on our plates?

Sources: 12 · Article: 13 540 characters

Jerzy Zięba reports that in 2019 the permitted glyphosate level was exceeded in one tested buckwheat sample.

  • In 2017, an exceedance was recorded in one tested pear sample, while levels in most of the agricultural products tested were below the limit.
  • Hubert Czerniak claims that spraying potatoes, buckwheat and rapeseed before harvest means people consume more glyphosate.
  • He also lists pasta, flour, dumplings, potatoes and pancakes as products that contain glyphosate and GMOs.

What the authors write

Jerzy Zięba

Glyphosate was detected below the maximum permitted level in most of the agricultural products tested, but there were some exceedances.

„Available data show that in most cases glyphosate in agricultural products is detected below the maximum residue limit (MRL = 0.1 mg/kg). For example, in 2019, tests for glyphosate residues were carried out on, among other things,”Z dostępnych danych wynika, że w większości przypadków glifosat w płodach rolnych wykrywa się poniżej najwyższego dopuszczalnego poziomu pozostałości pestycydów (NDP=0.1 mg/kg). Przykładowo, w 2019 r. wykonano badania obecności pozostałości glifosatu m.in.
Glifosat w płodach rolnych
Jerzy Zięba

In 2019, glyphosate was detected in some of the rapeseed, millet and buckwheat samples tested, and the permitted limit was exceeded in one buckwheat sample.

„Glyphosate was detected in 22.9% (24/105) of rapeseed samples, 5.9% (1/17) of millet samples and 5.6% (1/18) of buckwheat samples. Glyphosate levels above the MRL were found in one buckwheat sample. In such cases, the procedures of the National Rapid Alert System for Food and Feed (English:”Glifosat stwierdzono w 22,9% (24/105) próbkach rzepaku, 5,9% (1/17) próbkach prosa oraz 5,6% (1/18) próbkach gryki. Glifosat powyżej NDP stwierdzono w 1 próbce gryki. W takich przypadkach są uruchamiane tzw. procedury Krajowego Systemu Wczesnego Ostrzegania o Niebezpiecznej Żywności (ang.
Glifosat w płodach rolnych
Jerzy Zięba

In 2017, the permitted glyphosate level was exceeded in one tested pear sample.

„The permitted glyphosate level was exceeded in one pear sample (0.45±0.23 mg/kg). The research shows that MRL exceedances are primarily due to a lack of knowledge or mistakes by people using plant protection products. When herbicides are used according to recommendations, their residues in agricultural products are usually undetectable or present at very low levels that do not pose a threat to the environment or human health and life.”Przekroczenie wartości dopuszczalnej dla glifosatu stwierdzono w jednej próbce gruszek (0,45±0.23 mg/kg). Z badań wynika, że przekroczenia poziomu NDP wynikają przede wszystkim z niewiedzy lub błędów osób stosujących środki ochrony roślin. Jeżeli herbicydy są stosowane zgodnie z zaleceniami, ich pozostałości w płodach rolnych są zwykle niewykrywalne lub obecne na bardzo niskim poziomie niezagrażającym środowisku, zdrowiu i życiu ludzi.
Glifosat w płodach rolnych
Jerzy Zięba

Glyphosate residues can remain in soil and agricultural products, also contaminating subsequent crops and groundwater.

„Glyphosate residues remain in soil and agricultural products, which may contribute to the contamination of subsequent crops and groundwater. Exceeding permitted contamination limits can adversely affect consumer health. Glyphosate residue levels depend, among other things, on”Pozostałości glifosatu pozostają w glebie i płodach rolnych, co może wpływać na zanieczyszczenie upraw następczych i wód gruntowych. Przekroczenie dopuszczalnych norm zanieczyszczeń może niekorzystnie wpływać na zdrowie konsumentów. Poziom pozostałości glifosatu jest uzależniony m.in.
Glifosat w płodach rolnych
Jerzy Zięba

Glyphosate is detected in soil, groundwater and agricultural products, and these compounds can enter the body.

„Glyphosate residues are detected not only in soil but also in groundwater and agricultural products. This is how glyphosate compounds enter our bodies. Research results suggest that glyphosate is present in urine and blood. However, it is found in the human body at low concentrations.”Pozostałości glifosatu wykrywa się nie tylko w glebie, ale i również w wodach gruntowych i płodach rolnych. W ten sposób związki glifosatu docierają do naszego organizmu. Wyniki badań sugerują obecność glifosatu w moczu i krwi. Glifosat stwierdza się jednak w ludzkim organizmie w niskich stężeniach.
Glifosat a zdrowie
Hubert Czerniak

Hubert Czerniak lists pasta, flour, dumplings, potatoes and pancakes as products that contain glyphosate and GMOs.

„A diet rich in products containing glyphosate and GMOs usually contributes to leaky gut. These include familiar foods such as pasta, flour, dumplings, potatoes and pancakes. Glyphosate creates a kind of “invisibility cloak” for aluminium, which enters our bodies and fuels inflammatory processes.”Na rozszczelnienie jelit zazwyczaj wpływ ma dieta bogata w produkty, w których znajduje się glifosat i GMO. Należą do nich doskonale nam znane makarony, mąki, pierożki, ziemniaki czy naleśniki. Glifosat tworzy swoistą „czapkę niewidkę” dla aluminium, które wchodzi do naszego organizmu i napędza procesy zapalne.
Zaparcia - jak zadbać o przewód pokarmowy?
Hubert Czerniak

Hubert Czerniak writes that farmers spray potatoes, buckwheat and rapeseed 2–3 weeks before harvest, causing people to consume more glyphosate.

„Two to three weeks before harvesting potatoes, buckwheat or rapeseed, farmers spray the plants with a substance that causes their green parts to die. This allows them to sell more kilograms, while we consume more glyphosate. The first thing we can start doing is improving our gut flora.”Na 2-3 tygodnie przed zbiorem ziemniaków, gryki czy rzepaku rolnicy pryskają rośliny substancją, która powoduje śmierć zielonych części roślin. Dzięki temu sprzedają więcej kilogramów, a my spożywamy więcej glifosatu. Pierwsze, co możemy zacząć robić, to poprawiać fl orę jelitową.
Dieta dla autystycznych dzieci

Research from PubMed · Europe PMC

We selected 5 studies with the best, positive results. This is a selection, not a full review of all research.

Total number of studies on this topic in PubMed: 219.

A review indicates that glyphosate is among pesticides linked to carcinogenic effects, and pesticide residues have been detected in food.

Aim of the study: Most agricultural products are exposed to pesticides. Organochlorine (OCPs) insecticides have been banned for years due to their persistence in the environment and lipophilic properties.

Results: Organochlorine pesticides are primarily detected in foods of animal origin. In some studies, levels of carcinogenic organochlorine pesticides were above the permitted limits. Among the carcinogenic herbicides is glyphosate. An important finding of this systematic review is that carcinogenic organochlorines remain a threat in terms of cancer incidence.

Residues of carcinogenic pesticides in food: a systematic review. · Rev Environ Health 2024
Money for the studynot stated
Do the authors have ties to companies?not stated
Did a manufacturer help with the study?unknown
Type of studyreview of many studies

“Not stated” does not mean nobody paid — the database does not always record it.

Glyphosate was detected in eight of 30 honey samples from Italy, and trace amounts were found in another ten.

Aim of the study: Glyphosate and glufosinate are among the most widely used pesticides in agriculture worldwide. Their extensive use leads to the presence of their residues on crops and in the surrounding environment.

Results: Liquid chromatography–tandem mass spectrometry analysis of the 30 honey samples found quantifiable levels of glyphosate in eight samples, with contamination ranging from 5.4 to 138.5 ng/g. Notably, one wildflower honey sample had residue levels nearly three times the maximum residue limit. Trace glyphosate contamination was also detected in another ten samples. Glufosinate and its metabolites were not detected in any of the samples within the detection ranges of the method used.

Preliminary data on glyphosate, glufosinate, and metabolite contamination in Italian honey samples. · Ital J Food Saf 2024
Money for the studynot stated
Do the authors have ties to companies?no — the authors say so
Did a manufacturer help with the study?NO
Type of studyother

“Not stated” does not mean nobody paid — the database does not always record it.

Glyphosate residues were detected in 12% of the multifloral honey samples tested, although none exceeded the EU limit.

Aim of the study: Beehives can accumulate environmental contaminants as bees gather pollen, propolis and water from their surroundings, contaminating hive products like honey. Moreover, in multifloral environments, bees can interact with plants treated with different pesticides, often causing higher pesticide concentrations in multifloral honey than in monofloral varieties.

Results: No sample exceeded the maximum residue levels set by EU regulations. Glufosinate and its metabolites were not detected in any samples. These findings underscore the need for continued monitoring of pesticide residues in honey, particularly given the potential ‘cocktail effect’ of multiple contaminants and their combined toxicity. This study highlights the importance of safeguarding consumer health, especially in vulnerable populations, by addressing gaps in data on pesticide residue levels.

Detection of glyphosate, glufosinate, and their metabolites in multi-floral honey for food safety. · Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2025
Money for the studyuniversity or foundation · ON Foods - Research and innovation network on food and nutrition Sustainability, Safety and Security – Working ON Foods
Do the authors have ties to companies?not stated
Did a manufacturer help with the study?unknown
Type of studyanimal study

“Not stated” does not mean nobody paid — the database does not always record it.

Glyphosate was detected in all breakfast cereal and snack samples tested from Lebanon, but levels were below the established limit.

Aim of the study: Glyphosate, a broad-spectrum herbicide extensively utilized in global agriculture, had raised significant concerns regarding its persistence in food products alongside potential health risks. Although several studies have detected glyphosate residues in various food items, data on its presence in cereal-based products frequently consumed by Lebanese children and adolescents remain limited.

Results: Imported snacks had significantly higher residue levels (49.7 ppb) than locally produced items (30.6 ppb) (p = 0.0015). The dietary exposure assessment demonstrated that children's exposure to glyphosate through frequent consumption of breakfast cereals and snacks was minimal, with the highest exposure observed in the 4–8-year age group representing less than 0.031% of the most conservative Acceptable Daily Intake set by regulatory authorities. However, considering children's and adolescents' vulnerability to chronic, low-dose exposure, extensive monitoring programs targeting foods consumed by these age groups, along with additional research on total dietary exposure to glyphosate from various food sources, are recommended. These findings should be interpreted with caution given ongoing scientific debate regarding the adequacy of existing safety limits and potential long-term health effects.

Dietary exposure to glyphosate from breakfast cereals and snacks among Lebanese children and adolescents. · Food Res Int 2026
Money for the studynot stated
Do the authors have ties to companies?not stated
Did a manufacturer help with the study?unknown
Type of studyother

“Not stated” does not mean nobody paid — the database does not always record it.

Glyphosate was detected in the soil in the tested medlar-growing areas, where its average concentration was 0.21–1.3 mg/kg.

Aim of the study: Farm workers and consumers are vulnerable to potentially toxic pesticides accumulated in the environment and food. Nonetheless, few studies have investigated pesticide pollution and risk at medlar planting sites on a large scale.

Results: Using the monitoring data, potential health risks from fruit, soil and groundwater were evaluated. The HI and HQ could be considered safe for pesticide residues in fruit, soil and groundwater. Even if these results are generally safe to eat, the effects of insecticides on human health, especially genetic toxicity, have gradually drawn more attention. To minimize the increasing risk to human health, this study suggests that authorities regulate the use of agrochemicals and strengthen controls to ensure effective implementation of pesticide bans.

Monitoring and risk assessment of pesticide residue in plant-soil-groundwater systxem about medlar planting in Golmud. · Environ Sci Pollut Res Int 2021
Money for the studygovernment, public institutions · the National Natural Science Foundation of China
Do the authors have ties to companies?not stated
Did a manufacturer help with the study?unknown
Type of studyreview of many studies

“Not stated” does not mean nobody paid — the database does not always record it.

Perspectives and opinion materials

The content below presents the authors’ opinions, interpretations and hypotheses. It is not treated as equal to scientific studies and systematic reviews.

Orthomolecular Medicine News Service Opinion material
„Effects of glyphosate-based herbicides and glyphosate exposure on sex hormones and the reproductive system: From epidemiological evidence to mechanistic insights. Environ Toxicol Pharmacol. 2023 Sep;102:104252. 34. Milesi MM, Lorenz V, Durando M, Rossetti MF, Varayoud J. Glyphosate Herbicide: Reproductive Outcomes and Multigenerational Effects. Front Endocrinol. 2021;12:672532. 35. Prasad M, Rekha UV, Rajagopal P, Sekar D, Jayaraman S. A Review on Impact of Glyphosate on Development of Cancer. J Pharm Res Int. 2021 Dec 28;307–16. 36. Ingaramo P, Alarcón R, Muñoz-de-Toro M, Luque EH.”Effects of glyphosate-based herbicides and glyphosate exposure on sex hormones and the reproductive system: From epidemiological evidence to mechanistic insights. Environ Toxicol Pharmacol. 2023 Sep;102:104252. 34. Milesi MM, Lorenz V, Durando M, Rossetti MF, Varayoud J. Glyphosate Herbicide: Reproductive Outcomes and Multigenerational Effects. Front Endocrinol. 2021;12:672532. 35. Prasad M, Rekha UV, Rajagopal P, Sekar D, Jayaraman S. A Review on Impact of Glyphosate on Development of Cancer. J Pharm Res Int. 2021 Dec 28;307–16. 36. Ingaramo P, Alarcón R, Muñoz-de-Toro M, Luque EH.
Unveiling the Corporate Agenda Behind the Global Plant-Based Food Movement
Orthomolecular Medicine News Service Opinion material
„💡 The Solution: An Agency for Prevention The proposed Food and Nutraceutical Agency (FNA) would: Regulate food additives with a public safety-first approach Mandate transparency in food and supplement labeling Fund research on long-ignored contaminants (e.g., glyphosate, BPA, microplastics) Establish and publish safe and optimal intake guidelines for essential nutrients Encourage the use of evidence-based nutraceuticals to prevent or manage chronic diseases The use of community-based, prospective clinical studies, instead of randomized controlled trials for evaluation of food and nutraceuticals This shift would not only promote health but could save up to US$1 trillion in healthcare costs within four years.”💡 The Solution: An Agency for Prevention The proposed Food and Nutraceutical Agency (FNA) would: Regulate food additives with a public safety-first approach Mandate transparency in food and supplement labeling Fund research on long-ignored contaminants (e.g., glyphosate, BPA, microplastics) Establish and publish safe and optimal intake guidelines for essential nutrients Encourage the use of evidence-based nutraceuticals to prevent or manage chronic diseases The use of community-based, prospective clinical studies, instead of randomized controlled trials for evaluation of food and nutraceuticals This shift would not only promote health but could save up to US$1 trillion in healthcare costs within four years.
From Regulation to Restoration: Reforming Food and Nutraceutical Policy for Public Health
Orthomolecular Medicine News Service Opinion material
„Heavy metals such as lead, mercury, fluorine; pesticides including newer ones like glyphosate (“Roundup”); flame retardants that are even contaminating the Arctic; and hundreds of thousands of other new-to-nature molecules that every human has to deal with. And like it or not, pharmaceutical medications are mostly toxins too. At the same time, intensive farming, soil depletion and poor diets (often foisted on us for spurious reasons such as fear of cholesterol) mean that it is now normal to be deficient. We are deficient in vitamins, minerals and other nutrients as well. What chance does a human have?”Heavy metals such as lead, mercury, fluorine; pesticides including the newer ones like glyphosate ("Roundup"); flame retardants that are even contaminating the Arctic; and hundreds of thousands of other new-to-nature molecules that every human has to deal with. And like it or not, pharmaceutical medications are mostly toxins too. At the same time, intensive farming, soil depletion and poor diets (often foisted on us for spurious reasons such as fear of cholesterol) mean that it's normal to be deficient now. We are deficient in vitamins, minerals, and other nutrients as well. What chance does a human have?
Doctors Say Vitamins are Safe and Effective

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