Pesticides and Glyphosate Exposure

Most pesticide exposure isn't dramatic. It's the cumulative load from food, water, and environment that doesn't trigger acute toxicity but does affect mitochondrial function, gut microbiome, and immune regulation over years.

What patients tell us

“I grew up on a farm. Or I live near agricultural land. Or I work in landscaping. I have symptoms that don't fit a clear diagnosis — fatigue, neurological complaints, gut issues — and I'm wondering whether years of exposure are part of what's happening.”

What this category covers

Pesticides include a broad range of compounds — insecticides (organophosphates, organochlorines, pyrethroids, neonicotinoids), herbicides (glyphosate, 2,4-D, paraquat, atrazine), fungicides, and rodenticides. Exposure pathways include dietary residue on conventional produce, contamination of water supplies, occupational exposure, and residential exposure from household use and proximity to agricultural application. The clinical concern this page addresses is chronic, low-level cumulative exposure — the kind that doesn't trigger emergency evaluation but contributes to chronic dysfunction over years.

Glyphosate specifically

Glyphosate, the active ingredient in widely-used herbicides, deserves specific attention because of its prevalence and documented biological effects. Glyphosate's primary mechanism — inhibition of the shikimate pathway — is selective for plants and microorganisms. Mammals don't have this pathway directly, but the human gut microbiome includes substantial bacterial populations that use the shikimate pathway, and glyphosate's effects on gut bacteria represent a mechanism through which exposure can affect health. Additional documented effects include mitochondrial dysfunction, interference with cytochrome P450 enzyme function, and chelation of mineral cofactors. The carcinogenicity classification remains contested between IARC, EPA, and EFSA, reflecting genuine scientific disagreement about the available evidence.

Other pesticide categories of clinical relevance

Organophosphates inhibit acetylcholinesterase, with documented chronic neurological effects in occupationally exposed populations. Pyrethroids affect sodium channels with potential for chronic neurological impact. Neonicotinoids are under increased scrutiny. Atrazine is recognized as an endocrine disruptor.

How iHeal addresses pesticide exposure

Evaluation considers exposure history, clinical pattern, and where appropriate, specific testing. Urinary glyphosate testing identifies recent dietary exposure patterns. Specialty testing for organophosphate exposure measures cholinesterase activity and specific metabolites. Broader urinary pesticide metabolite panels are available through certain specialty laboratories. The intervention strategy prioritizes exposure reduction — dietary modification toward organic produce for the crops with highest residue burden, water filtration, household exposure reduction — alongside support of the body's natural clearance pathways and the mitochondrial support relevant across the 5M Model.

Dr. Matthew Everett, MD

Pro Tip · From Dr. Everett

Matthew Everett, MDEnvironmental Medicine · IFMCP

Evaluation considers exposure history, clinical pattern, and where appropriate, specific testing. Urinary glyphosate testing identifies recent dietary exposure patterns. Specialty testing for organophosphate exposure measures cholinesterase activity and specific metabolites. Broader urinary pesticide metabolite panels are available through certain specialty laboratories. The intervention strategy prioritizes exposure reduction — dietary modification toward organic produce for the crops with highest residue burden, water filtration, household exposure reduction — alongside support of the body's natural clearance pathways and the mitochondrial support relevant across the 5M Model.

Sources & Further Reading

Concerned this applies to you?

A consultation is where we figure out whether pesticides and glyphosate exposure is actually contributing to your symptoms — and what to do about it.

On This Page

Pesticides and Glyphosate Exposure

Most pesticide exposure isn't dramatic. It's the cumulative load from food, water, and environment that doesn't trigger acute toxicity but does affect mitochondrial function, gut microbiome, and immune regulation over years.

What patients tell us

“I grew up on a farm. Or I live near agricultural land. Or I work in landscaping. I have symptoms that don't fit a clear diagnosis — fatigue, neurological complaints, gut issues — and I'm wondering whether years of exposure are part of what's happening.”

What this category covers

Pesticides include a broad range of compounds — insecticides (organophosphates, organochlorines, pyrethroids, neonicotinoids), herbicides (glyphosate, 2,4-D, paraquat, atrazine), fungicides, and rodenticides. Exposure pathways include dietary residue on conventional produce, contamination of water supplies, occupational exposure, and residential exposure from household use and proximity to agricultural application. The clinical concern this page addresses is chronic, low-level cumulative exposure — the kind that doesn't trigger emergency evaluation but contributes to chronic dysfunction over years.

Glyphosate specifically

Glyphosate, the active ingredient in widely-used herbicides, deserves specific attention because of its prevalence and documented biological effects. Glyphosate's primary mechanism — inhibition of the shikimate pathway — is selective for plants and microorganisms. Mammals don't have this pathway directly, but the human gut microbiome includes substantial bacterial populations that use the shikimate pathway, and glyphosate's effects on gut bacteria represent a mechanism through which exposure can affect health. Additional documented effects include mitochondrial dysfunction, interference with cytochrome P450 enzyme function, and chelation of mineral cofactors. The carcinogenicity classification remains contested between IARC, EPA, and EFSA, reflecting genuine scientific disagreement about the available evidence.

Other pesticide categories of clinical relevance

Organophosphates inhibit acetylcholinesterase, with documented chronic neurological effects in occupationally exposed populations. Pyrethroids affect sodium channels with potential for chronic neurological impact. Neonicotinoids are under increased scrutiny. Atrazine is recognized as an endocrine disruptor.

How iHeal addresses pesticide exposure

Evaluation considers exposure history, clinical pattern, and where appropriate, specific testing. Urinary glyphosate testing identifies recent dietary exposure patterns. Specialty testing for organophosphate exposure measures cholinesterase activity and specific metabolites. Broader urinary pesticide metabolite panels are available through certain specialty laboratories. The intervention strategy prioritizes exposure reduction — dietary modification toward organic produce for the crops with highest residue burden, water filtration, household exposure reduction — alongside support of the body's natural clearance pathways and the mitochondrial support relevant across the 5M Model.

Dr. Matthew Everett, MD

Pro Tip · From Dr. Everett

Matthew Everett, MDEnvironmental Medicine · IFMCP

Evaluation considers exposure history, clinical pattern, and where appropriate, specific testing. Urinary glyphosate testing identifies recent dietary exposure patterns. Specialty testing for organophosphate exposure measures cholinesterase activity and specific metabolites. Broader urinary pesticide metabolite panels are available through certain specialty laboratories. The intervention strategy prioritizes exposure reduction — dietary modification toward organic produce for the crops with highest residue burden, water filtration, household exposure reduction — alongside support of the body's natural clearance pathways and the mitochondrial support relevant across the 5M Model.

Sources & Further Reading

Concerned this applies to you?

A consultation is where we figure out whether pesticides and glyphosate exposure is actually contributing to your symptoms — and what to do about it.

On This Page