Animalife Vetroflex Healthy Liquid. Animalife Vetroflex Healthy Liquid is an apple flavoured 100% natural supplement that supports all round wellbeing and flexibility. Vetroflex Healthy provides a combination of digestive support, joint and muscle support ingredients to allow your horse to enjoy everyday life. The liquid contains Apple Cider Vinegar to support joint health, Hydrolysed Collagen and Methionine tyo support healthy cartilage and blend of trace elements to support healthy bone, cartilage and connective tissue. Read more… 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€" 20ml Medium Horse weighing 400-600kg â€" 30ml Large Horse weighing over 600kg â€" 50ml