Wondering whether E306 or E320 is safer? We analyzed both ingredients using FDA regulatory data, EU food safety assessments, and peer-reviewed research to help you make an informed choice.
Bottom line: E306 scores 90/100 vs 35/100 — making it the safer choice.
Scores based on regulatory status, research consensus, and known health effects. Not medical advice.
| Factor | E306 | E320 |
|---|---|---|
| Safety Rating | ✅ Generally Safe | 🟠 Health Concerns |
| Safety Score | 90/100 | 35/100 |
| Category | preservatives | preservatives |
EU code for natural vitamin E extract. Antioxidant preservative. Very safe.
E306 is classified as a preservatives and has a safety rating of safe (90/100). Most health experts consider it acceptable in moderation.
EU code for BHA. Synthetic preservative. IARC possibly carcinogenic.
E320 is classified as a preservatives and has a safety rating of warning (35/100). Some health-conscious consumers choose to avoid it.
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Based on current evidence, E306 appears to be the safer option. However, individual responses can vary based on genetics, health conditions, and consumption levels.
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CheckIt AI. (2026). "E306 vs E320: Safety, Side Effects & Which to Avoid (2026)". Climaverse PBC. Retrieved from https://getcheck.it/compare/e306-vs-e320"E306 vs E320: Safety, Side Effects & Which to Avoid (2026)." CheckIt AI, Climaverse PBC, 2026-04-17. https://getcheck.it/compare/e306-vs-e320.<a href="https://getcheck.it/compare/e306-vs-e320">E306 vs E320: Safety, Side Effects & Which to Avoid (2026) — CheckIt AI</a>@misc{checkit2026comparee306vse320,
title = {E306 vs E320: Safety, Side Effects & Which to Avoid (2026)},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/compare/e306-vs-e320},
note = {Retrieved 2026-04-17}
}