E343 vs E920

Wondering whether E343 or E920 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.

Quick Verdict: E343 vs E920

Bottom line: E343 scores 90/100 vs 60/100 — making it the safer choice.

Scores based on regulatory status, research consensus, and known health effects. Not medical advice.

2026 Side-by-Side Comparison

FactorE343E920
Safety Rating✅ Generally Safe⚠️ Use With Caution
Safety Score90/10060/100
Categorypreservativespreservatives

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What Is E343?

Anticaking agent and mineral supplement. Used in powdered products. Generally safe.

E343 is classified as a preservatives and has a safety rating of safe (90/100). Most health experts consider it acceptable in moderation.

What Is E920?

An amino acid dough conditioner often derived from human hair or duck feathers. Generally safe.

E920 is classified as a preservatives and has a safety rating of caution (60/100). Most health experts consider it acceptable in moderation.

E343 vs E920: Key Differences

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Which Should You Choose?

Based on current evidence, E343 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 E343 or E920? The free CheckIt app uses AI to scan any product and instantly break down every ingredient.

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Frequently Asked Questions

Is E343 safe to eat?
Anticaking agent and mineral supplement. Used in powdered products. Generally safe. It has a safety score of 90/100 in our database.
Is E920 safe to eat?
An amino acid dough conditioner often derived from human hair or duck feathers. Generally safe. It has a safety score of 60/100 in our database.
Which is worse for you: E343 or E920?
E920 has a lower safety score (60/100), making it the worse option based on current research.
What can I use instead of E343 or E920?
Scan any product with the CheckIt app to see safer alternatives instantly. The app analyzes over 25,000 products and suggests cleaner options.
How do I know if my food contains E343 or E920?
Check the ingredients list on the packaging, or scan the product with the CheckIt AI app for an instant breakdown with safety scores for every ingredient.
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📋 Cite This Data
APACheckIt AI. (2026). "E343 vs E920: Safety, Side Effects & Which to Avoid (2026)". Climaverse PBC. Retrieved from https://getcheck.it/compare/e343-vs-e920
MLA"E343 vs E920: Safety, Side Effects & Which to Avoid (2026)." CheckIt AI, Climaverse PBC, 2026-04-06. https://getcheck.it/compare/e343-vs-e920.
HTML Embed<a href="https://getcheck.it/compare/e343-vs-e920">E343 vs E920: Safety, Side Effects & Which to Avoid (2026) — CheckIt AI</a>
BibTeX@misc{checkit2026comparee343vse920, title = {E343 vs E920: Safety, Side Effects & Which to Avoid (2026)}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/compare/e343-vs-e920}, note = {Retrieved 2026-04-06} }