Pure Encapsulations MSM 250 capsMSM is a source of organic sulfur found naturally in the human body. MSM is 34% elemental sulfur, which is crucial for maintaining healthy tissues. This naturally derived sulfur formula supports immune and respiratory health, joint function, and comfort, specifically connective tissue health. Sulfur also supports tissues containing significant collagen and keratin, including hair, skin, and nails. Recommended dosage: 2 capsules, 1 4 times daily with