Flex180 contains Type II Collagen (Not Type I). FLEX180 Collagen both Hydrolyzed and Undenatured are strictly sourced from CHICKEN STERNUM CARTILAGE (Unlike Collagen Type I and 3 and Other generic Type II, Which are sourced from Bovine, which are inferior quality. For Joint pain, Chicken sternum cartilage is the best source of Collagen Type II. * We directly import the Both Collagen, thus the quality is guaranteed in terms of its source of Collagen and efficacy. FLEX80 is SUPERIOR & EFFECTIVE Over GLUCOSAMINE & MSM combinations/ Collagen Peptides. Type II Collagen is the only Collagen type present in joint cartilage. Type II being a premium form of Collagen unlike Collagen Peptides, its benefits in joints is proven in many studies in USA, Europe along with trials done with type II collagen. Type II Collagen (Hydrolyzed) 350mg - For maximum bioavailability and absorption, easy to digest and low molecular weight. Bio-available GAGs such as Hyaluronic acid 50mg & Chondroitin sulfate 100mg providing the holistic support for joint by being part of the molecular structure of the cartilage. Has added benefits of Rosehip extracts for immediate relief from Pain and Inflammation without the side effects associated with pain killers and safe for long term use unlike medicated pain killers.