4 x Yes with natural silicone is a food supplement intended to complement the diet with these active ingredients. It has been supplemented with thiamin, vitamin B6, selenium and vitamin B12. One tablet provides 2500 µg of biotin, which corresponds to 5000% of the reference intake value. Dietary source of biotin can include but not limited to eggs, meat, fish and nuts as well as Simple Day Biotin 4 x Yes supplement. If your goal is thick and long hair, biotin, zinc, and selenium are ingredients that help keep it healthy. In addition, zinc and selenium help to maintain healthy nails, and biotin contributes to the maintenance of the proper condition of the mucous membranes and the maintenance of the proper metabolism of macronutrients. Simple Day Biotin 4 x Yes with natural silicon - properties 1 tablet contains 2500 µg of biotin. Bamboo shoot extract - a source of the best digestible. Food supplement suitable for vegans and vegetarians. Packaging made of ecological material. A pack of 400 tablets ensures long-term supplementation. The beneficial effect resulting from the declared effect can be obtained by taking 1 tablet per day. The tablets were packaged in a well-sealed eco-friendly bag with a zipper opening.