D-Ribose, 850mg 120 vcaps - Doctor's Best Doctor's Best D-Ribose is a unique 5-carbon carbohydrate that is a fundamental building block of ATP (adenosine triphosphate), the source for all cellular energy. Ribose is the starting point and rate limiting compound in the synthesis of these fundamental cellular compounds. The availability of ribose determines the rate at which they can be made by our cells and tissues. Studies have shown that ribose supplementation can enhance cardiac energy levels and support cardiovascular metabolism. Further studies suggest that ribose plays a role in supporting muscle energy recovery after exercise. Exercise increases free radical production in muscle tissue. Ribose may strengthen and support the body's crucial antioxidant defenses.DescriptionHelps support energy production in heart and muscleHelps promote muscle recovery following exerciseHelps decrease free radical production during exerciseSupplement FactsServing Size: 5 Veggie CapsulesServings per Container: 24 Amount per serving % Daily ValueCalories 15 Total Carbohydrates 4 g 2%**Total Sugars 4 g D-Ribose (BioEnergy Ribose™) 4250 mg †**Percent Daily Values are based on a 2,000 calorie diet.†Daily Value not established.Suggested useAdult Use: Take 5 capsules twice daily, preferably with food, or as recommended by a nutritionally-informed physician.Other ingredientsHypromellose (vegetarian capsule), magnesium stearate (vegetable source), silicon dioxide.Warnings!Diabetics, pregnant or lactating women, and those with chronic gout should consult their physician before using this product.Store in a cool dry place.