E551

A mineral anti-caking agent; halal.

Why?

Silicon dioxide (silica) is an anti-caking agent derived from sand or quartz. It is a mineral with no animal origin and is considered halal.

References

• General consensus of major halal certification bodies (e.g. IFANCA, JAKIM, HFA)

Last reviewed: 2026-09-08

This is informational guidance only, not a certified halal determination. Always consult an official halal certification body for certainty.