Lamberts MSM is naturally sourced and each tablet provides a full 1000mg of pure MSM, making it one of the most potent products on the market. The tablets are coated to make them taste free and easy to swallow and they are made in the UK to GMP pharmaceutical standards. MSM is a source of sulphur which is an essential nutrient required for the body\'s production of proteins such as those found in cartilage, hair, skin and nails.Small quantities of MSM occur naturally in many foods, and it is therefore a source of sulphur in the diet, along with the sulphur containing amino acids found in dietary proteins.