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Corvalen Chews by Douglas Labs are an all natural D-ribose supplement clinically proven to help restore and replenish core energy. D-ribose is a natural pentose sugar that is designed for the support of cardiovascular health, fatigue, energy production, and mitochondrial function†. Corvalen® chewable tablets are great tasting with natural orange/vanilla flavoring sweetened with xylitol, and readily absorbed into the body.
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