enjoys the key addition of one of the most powerful sources of Vitamin C on the planet and 25 % more collagen minerals.

Designed to improve the natural intrinsic collagen synthesis plus PK9JF contains more botanic vitamins and phytonutrients to a “step up” to performance dogs when needed most.

PK9JF is another “Step up” to support performance dogs and deliver extra strong results when needed most

TuffRock PK9 JFis a powerful blend of collagen minerals synergized with phytonutrients to support the metabolism of fat & enzyme reproduction in active or aged dogs. 5 grams per medium sized dogs delivers 5 % RDI of vitaminsA,B,C,E& essential omegas to support digestive health, joints and natural freedom of movement in super active dogs, ligament or joint challenged dogs of all ages.