Anti-caking agent
E551 silicon dioxide (silica): what it is, its sources, vegan or not
E551 is silicon dioxide (silica), an anti-caking agent. E551 comes from minerals. Vegan and vegetarian profiles get Fits you.
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By Bravoora teamUpdated Sources checked 4 sourcesHow we check
Fits you
for a vegan profile
E551=minerals
What is E551?
E551, silicon dioxide (silica), is an anti-caking agent, an additive that stops the grains of a powder sticking together. Stops powders clumping. Common in supplements and spice mixes.
What is E551 made from?
- Minerals
Is E551 vegan?
Fits you. E551 comes from minerals. Nothing from an animal.
Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.
What the app says to each profile, and the reason it shows.
What other names does E551 have on a label?
Any of these on a pack means E551. The checker reads them all.
What would change the answer for E551?
For E551, only the ingredient list itself. A code the camera cannot read gets Needs one more scan, and the app never guesses a code it cannot see.
Sources: EU, US and Codex additive rules
Where additives are listed and approved. Bravoora reads the source and the diet; it does not rate the hazard.
- EU Regulation 1333/2008 on food additives (the E-number list)
- EU Regulation 1169/2011, Annex II: the allergen sources a label must name
- US FDA: Food Additive Status List
- FAO/WHO Codex: General Standard for Food Additives (GSFA) online
Names and classes cross-checked with Open Food Facts (Open Database License).
Create a website profile with the things you avoid and the people you check for.
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