D-Ribose Powder by Klaire Labs is a powerful supplement designed to boost energy levels, exercise performance, and heart health. D-ribose is an extremely important sugar molecule that is used to form the structural basis of DNA and RNA. It's also used to help produce energy in the form of ATP and is especially important for organs that have a high energy demand including the heart and muscles. Supplementing with D-ribose may help restore energy levels in these tissues and improve their function. Research shows that D-ribose is able to replenish depleted ATP stores in the muscle after high-intensity exercise. Clinical evidence has found that D-ribose is able to increase strength during resistance training and improve power output during high-intensity aerobic exercise. Fibromyalgia and chronic fatigue syndrome patients often suffer from low energy levels and research suggests they may benefit greatly from D-ribose. Supplementation can help restore energy levels, improve sleep and mental clarity, reduce pain, and improve overall well-being in these patients. It has also shown to be beneficial for people with heart disease by increasing ATP levels in the heart. D-ribose improves heart function in people with congestive heart failure, which occurs when the heart is unable to pump enough blood to meet the body's needs. One study found that people with heart disease were able to exercise longer when supplementing with D-ribose. Evidence supports the use of Klaire Lab's D-Ribose Powder in helping: Boost energy levels and improving muscle function Improving exercise performance and strength Improving heart health and function