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A groundbreaking peer-reviewed study published in February in the journal Environmental Research has found that switching to an organic diet significantly reduced the levels of synthetic pesticides found in all participants – in just a matter of days. Levels dropped as much as 99%.

A video summarizing the findings may be seen here.

While the Organic For All study did not include glyphosate, Dr. John Fagan, co-founder and Chief Scientist at Health Research Institute did an informal study on himself! He ate lots of conventional oats and other foods known to be high in glyphosate to boost his levels. Then he went 100% organic and tests showed a same dramatic reduction in just three days. The graph below starts on the first day that he went 100% organic.

Interestingly, on the 11th day of his organic diet, Dr. Fagan “fell off the wagon” and enjoyed a meal at a conventional Italian restaurant. His glyphosate and AMPA levels spiked the next day and returned to nearly zero at the end of three days.
In addition to Dr. Fagan’s own organic diet intervention, preliminary results from the ongoing human glyphosate exposure study by HRI Labs show 75% lower glyphosate levels in people who eat organic food. People with the most conventional diets had a level of 0.8 ppb in their urine while those with the most organic in their diets averaged 0.2 ppb.
Given Dr. Fagan’s experience and the preliminary study in which many of our readers have participated, we think switching to an organic diet can have a dramatic impact on lowering glyphosate levels in humans. As Dr. Fagan says, “If you don’t like glyphosate, don’t eat it!”


Test your exposure to glyphosate, the most widely used weed killing chemical on farms, lawns, schoolyards and golf courses.

Join others in this crowd-sourced research project to learn about ourselves, our food system, and our environment.



Test pets and farm animals for glyphosate by gold standard LC-MS/MS instrumentation. Limits of detection (LOD) are highly sensitive at less than 1 part per billion (ppb).

Results will help you determine whether to change diet or environmental exposures.



Testing of water by LC-MS/MS instrumentation.
Capable of determining if samples meet the stringent European maximum residue level of 0.1 ppb in drinking water.
The kit can also be used to test lakes, streams and reservoirs near your home.