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