B12-Active© No. 15623 The biologically active form of dietary supplement vitamin B12 Methylcobalamin is the active form of vitamin B12. This form of the nutrient is delivered more efficiently to nerve tissues. Once it reaches its target site, it accelerates transmethylation reactions in the manufacture of nucleic acids, neurotransmitters, and phospholipids. 30 sublingual tablets Amount per tablet Vitamin B12 (Methylcobalamin) 1,000 mcg Other ingredients: Fructose, mannitol, cellulose, magnesium stearate, and natural flavor. Recommendations: Dissolve one tablet under the tongue daily. Methylcobalamin (mecobalamin) is the active form of vitamin B12 and exerts benefits well beyond those of other forms of cobalamin. Contains no sucrose, salt, yeast, wheat, gluten, corn, soy, dairy products, artificial coloring, or preservatives.