Scientific evidence shows that for the best absorption of vitamin B12 it is necessary to avoid its metabolism in the digestive tract. Therefore, these 'flash' tablets are designed to dissolve under the tongue and pass directly into the bloodstream. In addition, the added value of this presentation is that it is quickly and easily absorbed, leaving no residue. Thanks to its very small size, only vitamin B12 is concentrated in the tablet, without load of excipients. Contributes: To protein metabolism, which makes it very interesting for people who do sports at any level. Recommended dose per week 2000 mcg / week 2 tablets Maximum absorption sublingually. Ingredients: Vitamin B12 (Cyanocobalamin) from cultured bacteria. Natural red fruit aroma, mannitol, microcrystalline cellulose, silicon dioxide, citric acid, glycerol behenate and sucralose. Presentation: 100 100% vegetable FLASH tablets in a glass jar with an aluminum lid