Designed to improve the natural intrinsic collagen synthesis, PK9JF contains more botanic vitamins and phytonutrients.

PK9 is deigned to support performance dogs and deliver extra strong results when needed most

TuffRock PK9 JF is a powerful blend of collagen minerals synergized with phytonutrients to support the metabolism of fat & enzyme reproduction in active or aged dogs.

PK9 supports digestive health, joints and natural freedom of movement in super active dogs as well as ligament or joint challenged dogs of all ages.