Product Description: " B12 Methylcobalamin, Natural Factors, 1000 mcg, 90 Sublingual Tablets ? Biologically Active Form of B12 ? Support for Nerve Function, Energy Production & Red Blood Cells ? Dietary Supplement ? Methylcobalamin is active immediately upon absorption, while other forms (ie; cyanocobalamin) must be converted to methylcobalamin in a two step process. Methylcobalamin demonstrates exceptional activity in areas where other forms are simply not active. B12 supplementation is recommended for vegetarians and those suffering from B12 deficiency. Additional Inforamtion: All Natural Factors products are manufactured according to Canadian Health Protection Branch Good Manufacturing Practices (GMP), among the highest standards in the world. Ingredients: Contains no artificial preservatives, color or sweeteners; no corn, soy, starch, wheat or yeast. Sealed for your protection. Do not use if seal on cap is broken. For freshness store in a cool, dry place. Suggested Usage: Dissolve 1 tablet under the tongue per day or as directed by a health professional. Keep out of reach of children. Purity Potency Guaranteed. Supplement Facts Serving Size 1 Tablet Amount Per Serving %DV Vitamin B12 (as methylcobalamin) 1000 mcg 16,670% ---------------------------------------------- Other ingredients: Lactose, cellulose, croscarmellose sodium, magnesium stearate (vegetable grade). " Brand Name: Natural Factors, 1000 mcg, 90 Sublingual Tablets