Biotin is a B vitamin that functions in manufacture and utilisation of fats and amino acids. It is manufactured in intestines by gut bacteria. A vegetarian diet enhances production and absorption of biotin through changing gut bacteria. (Haas 1999)

Deficiency Signs and Symptoms
In adults – dry, scaly skin, nausea, anorexia, seborrhoea.
In infants – seborrhoeic dermatitis (cradle cap) and hair loss.

Main Uses
Promotes strong nails and healthy hair.
Seborrhoeic dermatitis – usually show deficiency.
Diabetes – enhances insulin sensitivity, can be useful for some cases of diabetic neuropathy.