Is Riboflavin-5-Phosphate vegan?

Riboflavin-5-Phosphate

Vegan

Riboflavin-5-phosphate, also known as flavin mononucleotide (FMN), is a more water-soluble form of riboflavin (vitamin B2) used as a food colourant and nutritional supplement. It can be produced via microbial fermentation or chemical phosphorylation of riboflavin.

Also known as Flavin mononucleotide, FMN, Riboflavin 5'-phosphate, Vitamin B2, Vitamin B2 phosphate
E number E101a
CAS number 130-40-5
EC number 204-988-6
Last reviewed 28 May 2026

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