Nutrisorb® Methyl FolGuard® is a high potency liquid supplement of optimally bioavailable, metabolically active forms of vitamin B12 (as Methylcobalamin) and folate (as Methylfolate) to support healthy methylation. IngredientsPurified Water, Folate (Calcium L-methylfolate), Vitamin B12 (Methylcobalamin), Preservatives (Citric Acid, Potassium Sorbate). Directions For Use4 drops taken daily in water with food, or under the tongue, or as professionally directed. Shake well before use.