Great Value 100% Whole Wheat Bread vs Dave's Killer Bread
Glyphosate contamination comparison · Source: Mamavation 2026
⚠ Contaminated
Walmart
Great Value 100% Whole Wheat Bread
✓ Certified Clean
Clean Alternative
Dave's Killer Bread
| Attribute | Great Value 100%… | Dave's Killer Bread… |
|---|---|---|
| Glyphosate (ppb) | 340 ppb | Not detected |
| Contamination level | MODERATE | SAFE |
| USDA Organic | ✗ No | ✓ Yes |
| Non-GMO Project | ✗ No | ✓ Yes |
| Glyphosate-Free Certified | ✗ No | — |
| Certifications held | None verified |
USDA Organic
Non-GMO Project
|
| Data source | Mamavation 2026 | Certification verified |
The Verdict
Great Value contains 2.1× more glyphosate than the EWG child-safe threshold — Dave's Killer Bread contains none.
340 parts per billion of glyphosate was detected in Great Value 100% Whole Wheat Bread by Mamavation 2026. That exceeds the EWG's 160 ppb child-safe benchmark by 2.1× — classified as MODERATE contamination. Glyphosate is classified by IARC as a probable human carcinogen (Group 2A). Dave's Killer Bread is certified USDA Organic + Non-GMO Project — meaning it was independently tested and confirmed free of synthetic pesticide residue.
See full contamination data for Great Value 100% Whole Wheat Bread · See all 100 contaminated products →