Improved Formula Mega Complex 100 There are 8 B Vitamins in Vitamin B Complex as well as several related substances. The eight vitamins are thiamine (B1), riboflavin (B2), niacin (B3), pyridoxine (B6), cobalamine (B12), folic acid, pantothenic acid and biotin. The other related substances include choline, inositol and para-aminobenzoic acid (PABA). Although each individual vitamin or related substance performs a different function in the body, they all work together to maintain good health and vitality. A well balanced diet should provide us with all the B vitamins we require but because they are water soluble and therefore not retained by the body we need daily dietary source. Historically the B vitamins were discovered from what was known originally as vitamin B and hence they were grouped together as B Complex. B Complex has been shown to be beneficial in the following conditions:- Anxiety and Stress Convalescence and Fatigue Dermatitis Diverticulitis Poor Hair Condition Tinnitus Natures Aid manufacture two strengths of B Complex tablets:- B Complex - this is a low potency tablet suitable for vegetarians and provide a good balance of the B Vitamins as well as choline and inositol. High Potency Sustained Release B Complex + C - is especially formulated to provide a high potency of eight B vitamins plus vitamin C, choline, inositol and P.A.B.A in a formulation designed to release its components over a period of about 6-8 hours. This formulation is suitable for vegetarians. Taking some B Complexz tablets may result ina darker yellow coloration of urine which is due to the body eliminating excess riboflavin (vitamin B2) Natures Aid Mega B Complex Ingredients: Thiamin (as Hydrochloride) Vitamin B6 (as Pyridoxine Hydrochloride) Hydroxypropylcellulose Pantothenic Acid (as Calcium Pantothenate) Riboflavin Vitamin B12 prep Niacin (as Nicotinamide) Inositol Choline Bitartrate Microcrystalline Cellulose Para Aminobenzoic Acid (P.A.B.A.) Anticaking Agent (Vegetable source Stearic Acid) Vitamin C (as Ascorbic Acid) Tablet Coating (Hydroxypropylmethylcellulose, Natural Colours: Titanium Dioxide, Circumin) Folic Acid Biotin