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Medically reviewed by Last updated on Apr 10, 2023.

Excipient (pharmacologically inactive substance)

What is it?

Riboflavin is vitamin B2. Vitamins are natural substances that are needed for many processes in the body. Riboflavin is important for the function of the body and is used to prevent and to treat deficiencies of riboflavin. The daily adult human requirement is 1.7 mg for adult men and 1.3 mg for adult women, with a higher daily requirement during pregnancy and lactation; dietary sources include green vegetables, liver, kidneys, wheat germ, milk, eggs, cheese, and fish.[1]

List of medications using Riboflavin


  1. Riboflavin definition. Accessed March 1, 2015 at

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.