Dietary Sulfur Supplement Plant Based No Animal Products Supplement Dietary Formula Non-GMO Vegan Gluten-Free Non-GMO Project Verified Opti-MSM (Methylsulfonylmethane) Flakes MSM is a naturally-occurring form of dietary sulfur found in fresh, raw foods and rain water. Sulfur is a vital mineral that is needed by the body for normal structure and function. It makes up the protein and connective tissue that comprises our body mass, assists enzymes in performing chemical reaction, and protects us from oxidative stress and harmful effects of toxicity. MSM can soften leathery internal tissues by rebuilding connective tissue with elastic sulfur bonds. It can also increase flexibility, as well as hasten recovery time from sore muscles and athletic injuries. The Sunfood Difference Our Opti-MSM Flakes are extracted from natural sources and distilled to create a completely our product. Some low quality MSM is created using solvents that can result in toxic byproducts. Opti-MSM Flakes dissolves easily into water or juice. It is best taken in the morning on an empty stomach for maximum absorption.