Nature's Bounty CoQ-10 400mg is a dietary supplement containing Coenzyme Q10, a naturally occurring compound that supports cardiovascular and heart health. Each bottle contains 39 rapid release softgels designed for optimal absorption and convenience. CoQ10 (Coenzyme Q10) is an important compound naturally produced by the body that plays a vital role in cellular energy production, particularly in heart muscle cells. The 400mg dosage is delivered in rapid release softgel form to enhance absorption. This supplement comes in Nature's Bounty's signature green bottle with clear labeling. As CoQ10 levels may naturally decrease with age, supplementation can help maintain healthy levels to support overall cardiovascular function.