MSM is an organic source of the important nutrient sulfur. Sulfur is involved in the metabolism of at least 150 critically important molecules in the body and dietary sources may not be sufficient to ensure all these requirements are met. For example, because sulfur is necessary for the formation of connective tissue, MSM has been widely studied for its use in optimizing joint health.* Research studies have shown that MSM has the ability to promote respiratory health and support various reactions to foods and pollen.*''Promotes optimal joint health*''Supports healthy hair, skin & nails*''Combats allergic response''Supports immune health*''100 vegetarian capsules'Dietary ConsiderationsWheat FreeDairy/ Milk FreeGluten FreeSoy FreeYeast FreeEgg FreeShellfish Free'Serving Size:1 Vegetable Capsule'Servings Per Container:120'Amount Per ServingMethyl-Sulfonyl-Methane1000 mg'Other Ingredients:Capsule is made of plant cellulose, Microcrystalline cellulose, magnesium stearate'Suggested Usage: Take 1 capsule with a meal up to 4 times daily or as directed by your qualified healthcare provider.Contains NO common allergens'.