* Sodium Free. * Dietary Supplement. Glucosamine Sulfate is a naturally occurring amino sugar. Amino sugars are key constituents of larger compounds called glycosaminoglycans and glycoproteins, which enable cells in tissues to hold together. They are necessary for the construction and maintenance of virtually all connective tissues and lubricating fluids in the body - tendons, ligaments, cartilage, bone matrix, skin, joint fluid, intestinal lining, and mucous membranes. Suggested Use: 1/4 teaspoon mixed with water daily. Other Ingredients: Contains shellfish (shrimp and crab). Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance. Warnings : If you are pregnant or breast feeding, consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.