Last reviewed May 2026 · 1 min read
Is Agar-Agar vegan?
Also known as: Agarweed, Kanten, China grass, Japanese isinglass
E-number: E406
Vegan
Suitable for a vegan diet.
Yes — It is derived entirely from the cell walls of red algae (seaweed), making it a 100% plant-based marine product.
01 · The basics
What is Agar-Agar?
A natural, jelly-like substance that forms a firm, translucent gel when boiled in water and cooled.
02 · The source
Where it comes from
It is derived entirely from the cell walls of red algae (seaweed), making it a 100% plant-based marine product.
Frequently asked
FAQ
Can I substitute agar-agar for animal gelatin 1:1?
Not exactly. Agar-agar sets much firmer than gelatin. You typically need less agar-agar than gelatin to achieve a similar result, and it must be boiled to activate.
Does agar-agar taste like seaweed?
No, commercial agar-agar is completely flavorless and odorless, making it perfect for sweet desserts.
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