Animalife Vetroflex Orignal. Animalife Vetroflex Original is a 100% natural supplement that supports healthy, strong and flexible joints and also helps weak or damaged areas of cartilage to regenerate. Vetroflex is 100% natural and contains a proprietary peptide blend of hydrolysed collagen that may help to support the structure of joints, bones, ligaments and connective tissue. Vetroflex offers rapid and maximal absorption to provide building blocks for the natural biosynthesis of joint cartilage. Read more… The fine white powder can be mixed into your horses daily feed to maintain suppleness and flexibility. Vetroflex does not contain glucosamine or chondroitin. Vetroflex can begin to have effect in 2-4 weeks. Free from banned substances. Feeding Instructions Use a loading rate for up to 10 days followed by the maintenance rate. The daily rate is best split across two feeds. Maintenance Daily Rate Small Horse weighing less than 400kg â€" 3 scoops Medium Horse weighing 400-600kg â€" 4 scoops Large Horse weighing over 600kg â€" 5 scoops Intense Daily Rate Small Horse weighing less than 400kg â€" 4 scoops Medium Horse weighing 400-600kg â€" 5 scoops Large Horse weighing over 600kg â€" 6 scoops