KAL 1000 Mg Msm Tablets, 240 Count

What the brand says

Potassium citrate) 40 MG 1% manganese (as manganese amino mms provides a rich source of organic sulfur that is essential to many structures and functions of the body. Shown to be particularly important to healthy joint function, mms provides organic sulfur that is critical to the production of connective tissue and cartilage