Is Riboflavin vegetarian?
Riboflavin
Riboflavin (Vitamin B2) is a water-soluble B vitamin used as a food colorant, to fortify foods, and as a dietary supplement. It is produced synthetically, by microbial fermentation using organisms such as Bacillus subtilis or Ashbya gossypii, or in rare cases from animal sources.
| Also known as | 1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-D-ribitol, Lactoflavin, LACTOFLAVIN / RIBOFLAVIN, Ovoflavin, Riboflavin, Riboflavin [USAN:INN:JAN], Riboflavins, riboflavinum, Vitamin B, Vitamin B2, Vitamin G |
|---|---|
| INCI name | Riboflavin |
| E number | E101 |
| INS number | 101 |
| CAS number | 83-88-5 |
| EC number | 201-507-1 |
| CosIng ID | 37498 |
| Last reviewed | 28 May 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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