Nutri Vitamin B-Complex is a multiple B Vitamin Formulation. B vitamins are cofactors in literally thousands of enzymatic reactions in the body and are especially critical for energy-releasing reactions. Most physiological processes require multiple B vitamins, hence the wisdom of supplementing B-vitamins as a complex with a balance of all. Nutri Vitamin B-Complex also contains choline and inositol, which are non-essential cofactors for efficient fat metabolism and cell membrane function.B complex vitamins are involved with functions such as; Energy release and ATP production from carbohydrates. Healthy functioning of the nervous system, including nerve membrane structure, neurotransmitter synthesis and nerve conduction. Stress adaptation and blood sugar balance. Metabolic clearing processes Directions: 1-2 tablets daily with food, or as directed.Ingredients:Each tablet typically contains: Vitamin B1 (thiamin HCl); 50 mg Vitamin B2 (riboflavin); 50 mg Vitamin B3 (niacinamide); 50 mg Vitamin B5 (D-calcium pantothenate); 50 mg Vitamin B6 (pyridoxine HCl); 25 mg Vitamin B12 (cyanocobalamin); 25 ¼g Folic Acid; 200 ¼g Biotin; 50 ¼g Choline (bitartrate); 50 mg Inositol; 50 mg PABA (para-Aminobenzoic Acid); 25 mg Tableted with: Dicalcium phosphate, Microcrystalline cellulose, Silicon dioxide, Stearic acid.Caution: None known if directions are followed. This product may cause urine to turn bright yellow.This is harmless and indicates the body is eliminating any excess vitamin B2 (riboflavin). An increase in daily liquid intake should bring the urine back to the normal or near normal colour.