MSM is a bestseller because it helps maintain healthy, flexible joints and muscles. MSM is also good for maintaining strong hair and nails, and beautiful skin. Higher Nature"s MSM capsules and tablets are sourced from pine trees. Available in tablets, vegetarian capsules and as MSM Crystals. One tablet provides : 1000mg MSM. One capsule provides: 500mg MSM. Suggested intake: 1000mg-6000mg a day.