Is Carrageenan halal?
Carrageenan is classified halal for halal use with High confidence. A polysaccharide extracted from red seaweed. Plant (algae) derived; generally considered halal.
Thickener / stabilizer · Confidence: High
Also known as: E407, Irish moss extract
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Related excipients
Ranked by co-formulation in our medicine catalog, shared concern codes, and compare guides.
Vegetable Glycerin Looks Halal
Excipient (humectant)
Co-listed on a medicine formulation in our catalog
What it is
A polysaccharide extracted from red seaweed.
Why it's here
Thickens and stabilizes liquid medicines and toothpaste.
Why it may matter
Plant (algae) derived; generally considered halal.
Common sources
- Red seaweed
Reason codes
plantDerived
Evidence & citations1
AuditCommon questions
- Is Carrageenan halal?
- RxHalal currently classifies Carrageenan as HALAL (High confidence). Plant (algae) derived; generally considered halal. This is information only — not a fatwa or medical advice.
- What is Carrageenan used for in medicines?
- A polysaccharide extracted from red seaweed. Thickens and stabilizes liquid medicines and toothpaste.
- What are common sources of Carrageenan?
- Common sources include: Red seaweed. Manufacturers often do not disclose which source is used.
Medicines using this excipient
1 total1 halal0 uncertain0 concern