Is Sodium Alginate halal?
Sodium Alginate is classified halal for halal use with High confidence. A polysaccharide extracted from brown seaweed. Seaweed-derived; halal.
Excipient (gelling agent) · Confidence: High
Also known as: E401, alginic acid sodium salt
Looks Halal Ask pharmacist
What it is
A polysaccharide extracted from brown seaweed.
Why it's here
Forms a raft on stomach contents in alginate antacids; gelling agent in liquids.
Why it may matter
Seaweed-derived; halal.
Common sources
- Brown algae (Laminaria, Macrocystis)
Reason codes
plantDerived
Evidence & citations1
AuditCommon questions
- Is Sodium Alginate halal?
- RxHalal currently classifies Sodium Alginate as HALAL (High confidence). Seaweed-derived; halal. This is information only — not a fatwa or medical advice.
- What is Sodium Alginate used for in medicines?
- A polysaccharide extracted from brown seaweed. Forms a raft on stomach contents in alginate antacids; gelling agent in liquids.
- What are common sources of Sodium Alginate?
- Common sources include: Brown algae (Laminaria, Macrocystis). Manufacturers often do not disclose which source is used.