QUININ 300 MG (QUININE SULPHATE) is a medication used to treat malaria, and is also used to treat leg cramps. It is a white, crystalline powder that is odorless and slightly bitter. This product is made in the USA and is available in packs of 30 tablets. It is a prescription-only medication and should only be taken as directed by a healthcare professional. QUININ 300 MG (QUININE SULPHATE) is a safe and effective treatment for malaria and leg cramps.