Glucosamine has been thoroughly studied for its positive actions in helping to maintain healthy joints and connective tissue. It is an essential amino for maintaining the construction of all healthy connective tissue and cartilage such as skin, nails, tendons, bones and joints. It also helps to re-hydrate the synovial fluid between joints. Many companies offer tablets, but few offer capsules. Reflex Nutrition's capsules are easier to swallow and very easy for your body to digest.