Dietary Supplement. Joint and Cartilage Support. The Science Behind the Size: Product: A unique combination of Glucosamine HCl, Chondroitin Sulfate and Collagen in a liquid form for easier digestion, absorption, assimilation, and utilization. Result: Nutritional support for promoting healthy cartilage, joint function, and joint flexibility. Science: research shows that Glucosamine stimulates the production and strengthening of connective tissue like cartilage.