Biotin (vitamin H - vitamin B7) is one of the water-soluble B-complex vitamins.

The vitamin contributes to
- the maintenance of normal skin, hair and mucous membranes
- normal energy-yielding metabolism
- normal macronutrient metabolism
- the normal function of the nervous system
- normal psychological functions

The following groups of people may have higher biotin requirements:
Pregnant and breastfeeding women.

Sources: Liver, soya products, nuts, rolled oats, vegetables and whole wheat.