Last reviewed May 2026 · 1 min read
Is Magnesium Chloride vegan?
Also known as: E511, Nigari
E-number: E511
Vegan
Suitable for a vegan diet.
Yes — Extracted from seawater or mineral deposits.
01 · The basics
What is Magnesium Chloride?
A mineral salt used as a firming agent and the primary coagulant in traditional tofu (nigari).
02 · The source
Where it comes from
Extracted from seawater or mineral deposits. 100% vegan.
Frequently asked
FAQ
Is Nigari (E511) vegan?
Yes, it is a mineral extracted from seawater, used to make tofu.
Commonly found in
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Magnesium Chloride
A mineral salt used as a firming agent and a primary coagulant in tofu production.
Calcium Sulfate
A naturally occurring mineral used as a firming agent and tofu coagulant.
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