A pet supplement includes a joint preserving and joint rebuilding composition comprising chicken collagen type II, glucosamine hydrochloride and chondroitin sulfate, a vitamin composition comprising vitamins C, D and K, a mineral composition comprising calcium, magnesium, zinc, copper, manganese and boron, a herbal anti-oxidant cofactor blend comprising citrus bioflavonoids, red grapes anthocyanins, turmeric rhizome, boswellia resin and fennel seed. Each of these ingredients is intimately mixed into the pet supplement and orally delivered to the pet in the form of a segment, paste or powder having a size and weight or other dosage measuring feature adjusted in accordance with the pet's weight. A synergistic action between these ingredients preserves and rebuilds the pet's joints, and is nutritionally beneficial for the pet.