Vitamin B-12 plays a role in the activation of amino acids during protein formation as well as in carbohydrate and fat metabolism. It also plays important roles in nerve sheath and red blood cell formation. Vegetarian Formula., Serving Size: 1 lozenge Serving Size: 100 Suggested Use: As a dietary supplement, take one lozenge daily, holding under tongue until dissolved. Free of: yeast, wheat, corn, soy, milk, egg, animal products. Other Ingredients: cellulose, sorbitol, mannitol, fructose, croscarmellose sodium, magnesium stearate, natural cherry flavor. Warnings: None Disclaimers: None