Lactose Monohydrate

Lactose monohydrate is the crystalline, hydrated form of lactose (milk sugar), a natural sugar from milk, used widely in food and pharmaceuticals as a sweetener, filler, and binder in tablets. It's a stable, white powder with a slightly sweet taste, formed from alpha-lactose, containing one water molecule per lactose molecule in its crystal structure. It's a key inactive ingredient in pills and infant formulas, but people with lactose intolerance may experience issues