First Endurance OptygenHP Flavor:Plain -For 2 servings: mix 6

-For 2 servings: mix 6 dosing spoons with 250 mL of water

you don't need to hold it in your mouth

and also contains no animal hormones or byproducts

Here at The Feed

Aid in weight loss

First Endurance OptygenHP Flavor:Plain -For 2 servings: mix 6First Endurance names this "the ultimate endurance supplement." Why? The OptygenHP is the new and improved Optygen formula and features their exclusive OptyMax Proprietary Matrix. Clinical research on elite endurance athletes shows an increase in VO2max, an increase in the bodys ability to adapt to high levels of physical stress, an increase in anaerobic threshold, and a reduction in lactic acid. These studies showed: A 26% decrease in cortisol levels