Like the other members of the ProArgi-9+ family, Active helps support your heart health. What makes the Active formula different is its targeted approach to physical activity. ProArgi-9+ Active is specifically designed to enhance physical activity by combining l-arginine with the energy-producing properties of quercetin. Active also includes the benefits of vitamins B6 and B12, folic acid, and D-ribose. This is truly a complete formula to enhance your heart health and activity.