TB500 is a lab-made version of part of a natural protein called thymosin beta4
Contains multiple active ingredients for maximum effectiveness, including: Green Lipped Mussel A natural source of chondrotin and glucosamine as well as hyaluronic acid, antioxidants and omega-3 fatty acids make this natures perfect blend for joint support. Glucosamine - Helps build healthy connective tissue and is one of the foundational compounds in cartilage. Chondroitin - Helps support the structure and integrity of your cats connective tissue and provides the building blocks for new cartilage.- MSM Helps support the structure of joints and connective tissue. DMG - Supports overall comfort and performance in your cat by maintaining healthy blood circulation, oxygen utilization and energy. Vitamins E&C Managenese - Supports the formation of collagen, which is necessary for cartilage structure and integrity. Grape Seed Extract L-Glutathione Selenium Recommended for: Supporting hip & joint health

Intolerance and allergies can develop at any time, even to substances or products the skin has tolerated for years, Dr Sheth says
Lee, P., Danish, R., Mazur, T
IV glutathione skips digestion and enters the bloodstream instantly
The safety profile is still considered strong overall, but its a reason not to mega-dose beetroot juice long-term