See where it ranks against the evidence-backed essentials in our guide to the top supplements for endurance athletes, or learn how to stack your nutrition for peak performance in our VO2 Max Supplements Guide
Energy and metabolism, supported so the rest of the program can do its work
Tell your doctor if you plan to become pregnant, are pregnant, or are breastfeeding
By increasing the rate at which your body burns calories, a quicker metabolism can help you lose weight and turn more of the food you eat into energy
The nitric oxide pathway contributes by relaxing vascular smooth muscle and creating conditions permissive for new vessel sprouting
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