Solgar Biotin 300 g Tablets contains 300 g of the water-soluble B Vitamin Biotin. It is perhaps best known for its beauty supporting properties, particularly for promoting healthy growth and shine for your hair. Biotin is often added to beauty products, however absorption through digestion is much higher than when applied to the skin.Biotin has coenzyme properties and is needed for the conversion of food into energy for a healthy metabolism, similar to the other B Vitamins. It works on macronutrient levels, converting fat, protein and carbohydrate. As the body doesnt make or store biotin, additionally, a daily dose of this B vitamin can help maintain the biotin levels your body needs. Biotin rich foods are organ meats, eggs, avocado and fish.