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PeakO2® is an organic-certified combination of six adaptogenic mushrooms grown in the U.S to ensure only the utmost quality. PeakO2® encompasses both nootropic and adaptogenic effects which allows users to "adapt" to and overcome physical and mental stress, increasing power and endurance.

The 6 types of mushrooms in PeakO2® are:

  • Cordyceps (Cordyceps militaris)
  • Reishi (Ganoderma lucidum)
  • King Trumpet (Pleurotus eryngii)
  • Shiitake (Lentinula edodes)
  • Lion’s Mane (Hericium erinaceus)
  • Turkey Tail (Trametes versicolor)

Clinical studies have shown that PeakO2®
  • Improves V02 Max
  • Enhances ATP Production
  • Increases Power Output
  • Reduces Lactate
  • Increases Time To Fatigue
Overall PeakO2® helps improve oxygen utilization and work capacity while decreasing lactate, helping athletes train longer and harder. 

The recommended dose for Peak O2 is 1-4 grams per day and the benefits tend to accumulate with time. Therefore, we recommend a loading phase of 2-4g per day for 2 weeks followed by a maintenance dosage of 1g daily. 

Why choose us?


Prime Self has a strict 'no proprietary blend' policy. This means total label transparency. Showing you exactly what and how much you're getting from our products. 


Armed with carefully selected and science backed ingredients, we wanted to make sure our products are at the forefront of health & wellness.

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