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Is Sodium Metabisulfite halal?

Sodium Metabisulfite is classified halal for halal use with High confidence. A sulfite salt used as an antioxidant and preservative in injectables. Synthetic mineral; halal. Note: sulfite-sensitive patients should be aware.

Excipient (preservative/antioxidant) · Confidence: High

Also known as: E223, sodium pyrosulfite

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What it is

A sulfite salt used as an antioxidant and preservative in injectables.

Source:FDA IIG — Sodium metabisulfite

Why it's here

Prevents oxidation of catecholamines (epinephrine), local anaesthetics.

See:FDA IIG — Sodium metabisulfite

Why it may matter

Synthetic mineral; halal. Note: sulfite-sensitive patients should be aware.

Source:FDA IIG — Sodium metabisulfite

Common sources
  • Synthetic

Reason codes

syntheticOrigin

Evidence & citations1

Audit

Common questions

Is Sodium Metabisulfite halal?
RxHalal currently classifies Sodium Metabisulfite as HALAL (High confidence). Synthetic mineral; halal. Note: sulfite-sensitive patients should be aware. This is information only — not a fatwa or medical advice.
What is Sodium Metabisulfite used for in medicines?
A sulfite salt used as an antioxidant and preservative in injectables. Prevents oxidation of catecholamines (epinephrine), local anaesthetics.
What are common sources of Sodium Metabisulfite?
Common sources include: Synthetic. Manufacturers often do not disclose which source is used.