Natures Aid Vitamin B12 Sublingual 1000µg 90 Tablets. Natures Aid® Vitamin B12 provides 1000µg per tablet. Vitamin B12 contributes to: The reduction of tiredness and fatigue, Normal red blood cell formation, Normal energy yielding metabolism, Normal function of the nervous system, Normal psychological function. Natures Aid Vitamin B12 tablets are a sublingual supplement, which means they are designed to be dissolved and absorbed under the tongue, bypassing the digestive system, for maximum absorption. Ingredients: Sweetener (Xylitol), Cherry Flavour (Natural), Anticaking Agents (Vegetable Source Magnesium Stearate, Stearic Acid), Methylcobalamin.