... can be found in the skin, joints, teeth, bones, tendons, and blood vessels. It makes up 70 ... helps keep the joints fluid, and teeth and bones strong. Curing a person's younger years, the ... important body tissues. It is found in blood vessels, bones, joints, cartilage, cornea, ligament, skin, tendon. The ... Helps keep the joints fluid, and teeth and bones strong* The problem caused by lack of collagen, ...