Wondering whether E336 or TBHQ 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: E336 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 | E336 | TBHQ |
|---|---|---|
| Safety Rating | ✅ Generally Safe | 🟠 Health Concerns |
| Safety Score | 90/100 | 35/100 |
| Category | preservatives | preservatives |
📱 Want to check this yourself? Scan any product in seconds.
Get CheckIt AI Free → ★4.7 · 256+ reviewsPotassium bitartrate from winemaking. Leavening agent. Very safe.
E336 is classified as a preservatives and has a safety rating of safe (90/100). Most health experts consider it acceptable in moderation.
A synthetic preservative used in processed foods and fast food. Linked to immune system effects at high doses.
TBHQ is classified as a preservatives and has a safety rating of warning (35/100). Some health-conscious consumers choose to avoid it.
Every Friday: the 5 worst products we found this week, FDA recall alerts, and the cleanest new finds at your grocery store.
Trusted by 27,000+ app users. No spam. Unsubscribe anytime.
Based on current evidence, E336 appears to be the safer option. However, individual responses can vary based on genetics, health conditions, and consumption levels.
Want to check if a specific product contains E336 or TBHQ? The free CheckIt app uses AI to scan any product and instantly break down every ingredient.
Scan Any Product Free with CheckIt AI →Get a free weekly breakdown of the most dangerous food additives, new research findings, and the cleanest products at every major store.
Trusted by 27,000+ app users. No spam. Unsubscribe anytime.
Join 50,000+ families scanning smarter.
1,579 products scanned today · Point your camera at any label
Get the Free App →Free forever · No credit card · Works on iPhone & Android
CheckIt AI. (2026). "E336 vs TBHQ: Safety, Side Effects & Which to Avoid (2026)". Climaverse PBC. Retrieved from https://getcheck.it/compare/e336-vs-tbhq"E336 vs TBHQ: Safety, Side Effects & Which to Avoid (2026)." CheckIt AI, Climaverse PBC, 2026-04-15. https://getcheck.it/compare/e336-vs-tbhq.<a href="https://getcheck.it/compare/e336-vs-tbhq">E336 vs TBHQ: Safety, Side Effects & Which to Avoid (2026) — CheckIt AI</a>@misc{checkit2026comparee336vstbhq,
title = {E336 vs TBHQ: Safety, Side Effects & Which to Avoid (2026)},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/compare/e336-vs-tbhq},
note = {Retrieved 2026-04-15}
}