Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  maxim, axiom(noun) a saying that is widely accepted on its own merits. 2  axiom(noun) (logic) a proposition that is not susceptible of proof or disproof; its truth is assumed to be self-evident.
A: Biotin, also known as vitamin B7, is a water soluble B vitamin. Biotin is required, by the body, for cell growth, metabolism of fats and amino acids and the production of fatty acids. Biotin helps with numerous metabolic reactions.
Liver, oils from seeds, and yeast are the most important natural sources of biotin. Biotin is also found in supplements, either on its own, as a vitamin-mineral supplement, or in Drs. Foster & Smith Brewers Yeast, which is naturally rich in biotin. Recommended Biotin Products Drs.iotin is part of the B-Complex vitamin set, although it is not as well known as vitamins such as Niacin, Thiamin, or Riboflavin. It is water-soluble, which means that it is not stored in the fatty tissue and excess biotin is eliminated through the body by urination.