This is one of the best all natural supplements you can give your aging dog. It is the ultimate anti-aging whole body cell re generator. Weather your dog has an injury, arthritis, allergies, brain or eye deterioration TRU PINE can make a difference. Also known to help with early onset of Degenerative Myelopathy (DM). The active ingredient in Canadian Pine Bark is 95% opc (antioxidant) vs. other products such as berries at 45-60% opc value. Also contains vitamin C from Rose Hips. It's a daily multi-vitamin. Combine TRU PINE with ESSIAC for pets as a daily dose of disease prevention and extended longevity. As an added benefit, pine bark helps to repel ticks. Made in Canada.