Multi B is a vitamin complex that includes all eight B vitamins, betaine hydrochloride, inositol, and choline for the maintenance of good health. B vitamins help mediate hundreds of enzymatic reactions, including the metabolism of carbohydrates, fats and proteins.¹ Niacin, thiamine and biotin help to provide substrates for energy production in the Krebs cycle, while pantothenic acid is used for the formation of the key neurotransmitter acetylcholine in the brain.¹ Riboflavin is needed to activate the coenzyme forms of vitamin B₆ and folate, which are involved in amino acid metabolism and DNA synthesis, respectively.¹ Folic acid and vitamin B₁₂ help mediate the formation of red blood cells, which help transport oxygen through the body.¹ Malabsorption of vitamin B₁₂ from food, but not supplements, increases with age as elderly individuals may not produce enough gastric acid to release the vitamin when it is bound to food.²