OstroVit - Histidine is an amino acid...
Glucosamine and chondroitin are important constituents of connective tissue, especially cartilage.
Key Ingredients: Glucosamine, Chondroitin and Collagen.
Puritan's Pride - Glucosamine Chondroitin Complex helps support and restore healthy joints and cartilage, improving their flexibility and elasticity.
Puritan's Pride - Shark Cartilage is a ligament and joint strengthening supplement - shark cartilage in powder form.