each capsule provides a full 500µg of biotin, for the release of energy from good & the maintenance of hair & skin, easy to swallow, taste-free, vegan-friendly capsules biotin is an interesting member of the b vitamin family; while the body can’t produce it – which is, in part, the definition of what it is to be a vitamin – the bacteria in our digestive system can make it, & we can absorb it from this source. illness & tummy upsets, however, can disrupt its normal production. in the body, biotin is primarily used to assist the normal growth & development of hair, skin & bone marrow. but like all the b vitamins, biotin also plays a role in energy production & psychological function. our high-strength biotin tablets provide a full 500µg of biotin, a level that would be difficult to obtain from most high-street multis. given the strength of our biotin tablets, we only recommend taking them for a few months, after which one of our multis//cmult//class=f-brand!important or vitamin b complexes//c 20//class=f-brand!important should provide adequate amounts. our formula is made to good manufacturing practice (gmp) in uk factories to ensure the very best quality standards. this product is suitable for both vegetarians & vegans. curious to learn more about our biotin tablets? reach out to one of our expert nutrition advisors//aadvice//class=f-brand!important, who are always on hand to provide free, confidential advice. you can also read more about vitamin b levels here//b 106//class=f-brand!important. what does biotin contribute to? biotin contributes to normal energy-yielding metabolism, the normal functioning of the nervous system, & normal macronutrient metabolism. it also contributes to normal psychological function, the maintenance of normal hair, & the maintenance of normal mucous membranes.