Equithrive Joint is the first equine nutraceutical to contain a purified form of the potent resveratrol. Equithrive Joint optimizes the immune system to support healthy joints and maximum muscle performance. Resveratrol is a natural molecule that: Reduces gene expression of inflammatory enzymes. Is safe for long-term daily use ("generally regarded as safe" by the FDA) Does not produce unwanted gastrointestinal side effects. Active Ingredients: Resveratrol, Hyaluronic Acid Inactive Ingredients: Grape skin and seed powder, saccharomyces cerevisiae 1026, fermentation solubles, diatomaceous earth. Added protection against overheating Provides additional insulation Increases comfort