Solgar Biotin 1000 mcg Vegetable Capsules (50). Solgar Biotin 1000 µg is a water-soluble B vitamin that contributes to several function in the body including energy metabolism. It is perhaps best known for its beauty supporting properties, particularly for supporting healthy looking hair and skin.. Biotin can be found in nuts, eggs and certain berries. But as the body doesn’t make or store biotin, additionally, a daily dose of this B vitamin can help maintain the biotin levels your body needs.. Available as a high potency, one a day beauty nourishing nutrient, Solgar’s Biotin delivers 1000 µg in just one capsule, contributing to:. Improvement of nails resistance. Maintenance of normal skin. Maintenance of healthy hair and nails. Maintenance of energy and general vitality. Normal functioning of the nervous system