Home and Garden How quickly does Phycox work? How quickly does Phycox work? This unique blend of phycocyanin and beneficial ingredients helps support bone, muscle, and joint health. benefits within 30 days and 94% experienced benefits after 120 days. Dogs love the taste of Phycox® Joint Supplements. Related Posts:Do you need a prescription for Movoflex?Why does my dog push his food out of his bowl?Is chicken stock the same as chicken broth for dogs?Why does my dog bite on pillows?