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Acti-Flex 4000 by Cox labs has an advanced, fast-acting, liquid formula of Glucosamine, Chondroitin, MSM, and Superoxide Dismutase. In Acti-Flex 4000 key ingredients work together to improve performance by increasing the horse's supply of naturally occuring joint-lubricating synovial fluid, which repairs and strengthens stressed body parts. It works with remarkable speed, making notable improvement within 5 days.
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