Learn
These pages explain what glyphosate is, when it is used on farms, what testing has found, what the certifications on ByeGly mean, what regulators and courts have said, and how the money and the rules work. Each fact links to its source. ByeGly makes no health claims.
How to read a product listing
What each certification mark means and how we verify it.
Verification
- Certification
- Glyphosate Residue Free
- Named on
- example.com
- Last checked
- Nov 1, 2026
This certification means a third-party lab tested the product and did not detect glyphosate at its limit of detection. That is not zero, and it is not a health claim. How we verify
Deep dives
Ban glyphosate: where things stand and what you can do
ByeGly supports a U.S. ban on glyphosate, starting with an end to spraying it on food crops right before harvest. Other governments have already restricted it, and some have tried to ban it outright.
A history of glyphosate
Glyphosate went from a shelved lab compound to a farm herbicide at the center of U.S. court cases, state laws and bills in Congress. This page sets out that history by date. Each entry links to a prim
How we verify
ByeGly is a free guide. We don't sell the products, and we don't certify them ourselves. We check public records and show what we could confirm, with a link to where we confirmed it.
Children and glyphosate exposure: what has been measured
Parents often ask how much glyphosate children are exposed to. This page covers what has been measured or estimated, and by whom: a national CDC urine survey, EPA's dietary exposure estimates for chil
Lobbying and the law: where the money goes, and why the rules haven't changed
This page sets out, from public filings and news reports, who spends money on glyphosate and pesticide-label policy, what they say they want, and what has happened to the bills. Every figure is dated
Pre-harvest spraying
Farmers apply glyphosate at different points in the season, as our What is glyphosate? page explains. One of them is shortly before harvest. This page explains what pre-harvest application is, which c
What residue testing has found
Government agencies in the U.S. and Canada test food for glyphosate residues. An advocacy group, the Environmental Working Group (EWG), has also paid for its own tests. This page sums up what each one
Swap guide exclusions
Swap guides (`learn/guide-*.md`, rendered at /swap/<slug>) count as featuring products. A product whose name contains any word below is not named in a swap guide. It stays listed on ByeGly; it just is
What is glyphosate?
Glyphosate is a weed killer used on farms, along roads and in gardens. This page covers what it is, how it works on plants, and when farmers use it. It does not make claims about health. For what regu
Where agencies stand
Three bodies are cited most often on glyphosate: the International Agency for Research on Cancer (IARC), the U.S. Environmental Protection Agency (EPA), and the European Union, where the European Chem
Swap guides
Why specific foods come up, and the certified options on ByeGly.