ALLNUTRITION MSM is a dietary supplement for physically active people, containing methylsulphonylmethane, which is an organic sulphur compound. Organic sulphur (MSM) has exceptional preventive and therapeutic properties.Thanks to its antioxidant properties, it protects damaged cartilage against free radicals while reducing pain. It is also recommended for improving the condition of hair, skin and nails. Sulphur in MSM takes part in synthesis of basic amino acids l-methionine and l-cysteine.