An alfalfa-based pellet, Cox Vet Lab Acti-Flex Eze Go Pellets Horse Supplement helps promote healthy joints and connective tissues in your equine friend. Safe and effective for horses of all classes, Cox Vet Lab Acti-Flex Eze Go Pellets Horse Supplement are designed to work within five days to help increase your horse’s production of synovial fluid to lubricate his joints. Based in one of your horse’s favorite flavors—alfalfa—these pellets will keep your horse happy and healthy.