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Is Silicon Dioxide halal?

Silicon Dioxide is classified halal for halal use with High confidence. A mineral used as an anti-caking and flow agent. Mineral; no halal concern.

Excipient (anti-caking) · Confidence: High

Also known as: colloidal silica, E551, silica

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Find medicines containing Silicon Dioxide

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Used together in 2 medicines in our catalog

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Polyethylene Glycol (PEG / Macrogol) Looks Halal

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Used together in 2 medicines in our catalog

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Excipient (lubricant)

Used together in 2 medicines in our catalog

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What it is

A mineral used as an anti-caking and flow agent.

Source:FDA Inactive Ingredient Database (IIG)

Why it's here

Keeps powders free-flowing.

See:FDA Inactive Ingredient Database (IIG)

Why it may matter

Mineral; no halal concern.

Source:FDA Inactive Ingredient Database (IIG)

Common sources
  • Mineral

Reason codes

mineral

Evidence & citations1

Audit

Common questions

Is Silicon Dioxide halal?
RxHalal currently classifies Silicon Dioxide as HALAL (High confidence). Mineral; no halal concern. This is information only — not a fatwa or medical advice.
What is Silicon Dioxide used for in medicines?
A mineral used as an anti-caking and flow agent. Keeps powders free-flowing.
What are common sources of Silicon Dioxide?
Common sources include: Mineral. Manufacturers often do not disclose which source is used.

Medicines using this excipient

5 total0 halal5 uncertain0 concern

Seen most often in these conditions

Where this excipient turns up across RxHalal's tracked treatment categories.