SUPER GOOD STUFF MSM/TMG 200 Vegetarian Capsules Super Good Stuff has added TMG (Trimethylglycine derived from sugar beets) to their pure pharmaceutical grade MSM to create what we think is one of the best nutritional combinations around! Necessary for collagen synthesis: skin, hair, nails keeps cells from becoming rigid, softens tissue (the beauty mineral), and Promotes proper Homocysteine levels and Liver function.