what does glucosamine do
Glucosamine in the body is used to make cartilage, a cushion that surrounds joints. In osteoarthritis, this cushion becomes thinner and stiff. Taking glucosamine sulfate as a supplement might help to supply the materials needed to rebuild cartilage. Glucosamine sulfate seems to be safe for most people.It can cause some mild side effects including nausea, heartburn, diarrhea, and constipation. Uncommon side effects are drowsiness, skin reactions, and headache.n osteoarthritis, this cushion becomes thinner and stiff. Taking glucosamine sulfate as a supplement might help to supply the materials needed to rebuild cartilage. Glucosamine sulfate seems to be safe for most people. It can cause some mild side effects including nausea, heartburn, diarrhea, and constipation.