What is FD&C Red 40 (Allura Red) used for in medicines?

A synthetic azo dye used to colour tablets, capsules, and syrups. Identifies dose strengths and improves appearance.

What are common sources of FD&C Red 40 (Allura Red)?

Common sources include: Synthetic. Manufacturers often do not disclose which source is used.

Is a dye-free version available if I'm sensitive?

Ask your pharmacist or prescriber. RxHalal lists this because FD&C Red 40 (Allura Red) is halal in our cited database.

Is FD&C Red 40 (Allura Red) halal?

FD&C Red 40 (Allura Red) is classified halal for halal use with High confidence. A synthetic azo dye used to colour tablets, capsules, and syrups. Synthetic petrochemical-derived (not carmine); halal. Some patients have sensitivity concerns.

Colorant · Confidence: High

Also known as: allura red AC, E129

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Find medicines containing FD&C Red 40 (Allura Red)

What it is

A synthetic azo dye used to colour tablets, capsules, and syrups.

Source:FDA — Color additives

Why it's here

Identifies dose strengths and improves appearance.

See:FDA — Color additives

Why it may matter

Synthetic petrochemical-derived (not carmine); halal. Some patients have sensitivity concerns.

Source:FDA — Color additives

Common sources

Synthetic

Questions to ask

Is a dye-free version available if I'm sensitive?

Reason codes

syntheticOrigin

Evidence & citations1

Audit

Common questions

Is FD&C Red 40 (Allura Red) halal?: RxHalal currently classifies FD&C Red 40 (Allura Red) as HALAL (High confidence). Synthetic petrochemical-derived (not carmine); halal. Some patients have sensitivity concerns. This is information only — not a fatwa or medical advice.
What is FD&C Red 40 (Allura Red) used for in medicines?: A synthetic azo dye used to colour tablets, capsules, and syrups. Identifies dose strengths and improves appearance.
What are common sources of FD&C Red 40 (Allura Red)?: Common sources include: Synthetic. Manufacturers often do not disclose which source is used.
Is a dye-free version available if I'm sensitive?: Ask your pharmacist or prescriber. RxHalal lists this because FD&C Red 40 (Allura Red) is halal in our cited database.

Medicines using this excipient

5 total1 halal3 uncertain1 concern

Seen most often in these conditions

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