Swanson MSM 500mg is a supplement supplied in capsule form, with 100 capsules per pack. Each capsule provides MSM at a strength of 500mg. Form: capsule Net quantity: 100 caps Brand: Swanson Ingredients MSM, capsule shell: gelatin, rice flour, anti-caking agent: magnesium salts of fatty acids (magnesium stearate). Allergens No allergens explicitly stated on label. Directions One capsule per day. Do not exceed the recommended daily portion. Warnings Do not exceed the recommended daily serving. This product cannot be used as a substitute for a properly varied diet. Not recommended for pregnant or breastfeeding women. Keep out of reach of small children. Storage Store at room temperature, out of reach of small children.