we are a professional manufacture of betaine series in china. betaine hydrochloride is an acidic form of betaine, a vitamin-like substance found in grains and other foods. betaine hydrochloride is recommended by some doctors as a supplemental source of hydrochloric acid for people who have a deficiency of stomach acid production our betaine hydrochloride products accord strictly with the standards of usp28.we provide high-quality betaine products with best price to customers all over the world.