Vitamin B12 Methylcobalamin from Webber Naturals provides 10,000 mcg of this essential B vitamin as in a sublingual, one-a-day tablet. Vitamin B12 is a vital nutrient for a healthy immune system, energy, metabolism, red blood cell formation, and normal growth and development.Vitamin B12 supplementation helps prevent vitamin B12 deficiency, especially for anyone who does not regularly consume foods containing the nutrient. It can also help address depletion of B12 caused by certain common medications and alcohol.Methylcobalamin is a preformed coenzyme form of vitamin B12 that offers immediate, direct nutritional support, even for those who have difficulty absorbing this nutrient due to genetic differences, low stomach acid, or lack of intrinsic factor (a protein needed for B12 absorption).Vitamin B12 10,000 mcg from Webber Naturals is gluten free, non-GMO, suitable for vegetarians and vegans, and sublingual – no capsules, tablets, or injections. This advanced formula is for adults who want a high-quality, ultra-strength, bioactive form of this key nutrient to prevent or correct B12 deficiency and help maintain good health.