Instant Food Score
Instant Food Score
Instant Food Score
E551
Anti-caking agent — safe
SafeCode
E551
Safety
safe
Found in
4 categories
Anti-caking agent — safe
Used as silicon dioxide across packaged foods for colour, preservation, texture or flavour. Check the ingredients list for E551 or its INS equivalent.
Generally recognized as safe for regular intake
Tip: Scan the barcode with Instant Food Score to see this additive flagged in context — with its exact share of ingredients and overall 0–100 score.
Health Verdict
Silicon Dioxide is generally recognized as safe for regular dietary consumption within approved food limits.
Most variants of Silicon Dioxide are synthetic or plant-derived. However, check individual packaging labels for animal-origin emulsifiers or processing aids.
Certain synthetic dyes and preservatives (like nitrites or benzoates) may trigger hyperactivity or allergies in children. Look out for safety warnings.
E-numbers starting from E100 to E199 range from natural plant extracts (like curcumin and beetroot) to synthetic colorants. Check the product label for specific sourcing.
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