RDA is 150 micrograms.
Your body can’t store it, so you need a regular daily intake.
Biotin is not lost during cooking.
Bacteria in your gut can make biotin to top up what you get from food.
Where do you get it?
You find it in liver, eggs, nuts, brewer’s yeast and dairy products, in small amounts.
Biotin helps you make the best use of fats and proteins, keeps a steady level of sugar in the blood and helps keep skin, hair and nails in good condition.
Toxicity is unknown
Deficiency is rare, except in very unusual circumstances.
A vitamin B complex or brewer’s yeast tablets will give you all you need.
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