The overall rating for peak o2 is 1.7 out of 3 meaning there is some evidence that this supplement does some (not all) of what it claims. Using this supplement may lead to some improvements.

Table of Contents

  1. Simple Report
  2. Detailed Report
  3. Overall Effectiveness Rating
  4. Research Rating
  5. Products Containing Peak O2
  6. Claim Ratings
  7. Dosing
  8. References

Peak O2 Simple Report

  • Supplement: Peak O2
  • Supplement Category: plant and food extracts
  • Number of Products Containing Peak O2: 112
  • Effectiveness Rating: 1.7 out of 3
  • Research Rating: 60 (above 80 indicates sufficient research)
  • Number of Studies: 3
  • Number of Claims: 2
  • Effective Dosage Range: 1.5 - 12 grams per day

Peak O2 Detailed Report

Overall Effectiveness Rating

The overall effectiveness rating for peak o2 is 1.7 out of 3. This rating means the evidence is mixed on the supplement's ability to deliver positive results. While some of the research supports its use, other evidence does not. Using this supplement may lead to positive results. Note, this effectiveness rating is for peak o2 as a whole; there are also individual ratings for the claims below.

Read more: What is the effectiveness rating?

Research Rating for Peak O2

There are 3 studies in the database on peak o2; the research rating is 60. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this research rating is for peak o2 as a whole; there are also individual ratings for the claims below.

Read more: What is the research rating?

Products Containing Peak O2

Products Names Amount of Peak O2
OJ Pro 2g
Warrior Rage Savage 500mg
Berserkr Frenzy 500mg
Awaken 1g
Electrolyte Endurance Powder 1g
Full list of all 112 products containing Peak O2.

Claim Ratings

The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.

Performance Claims Effectiveness Rating Research Rating
improve cardiovascular endurance
decrease fatigue


The Supplement Database includes 3 studies on peak o2 dosing. These studies indicate an effective dose ranges from 1.5 to 12 grams per day, the average dose being 6.75 grams per day. For a more detailed dosing analysis visit: Supplement Dosing for Peak O2.


Title of Study
Cordyceps militaris improves tolerance to high intensity exercise after acute and chronic supplementation
Decreased Blood Lactate Concentration with Twenty-Eight Days of Mushroom Blend Supplementation
The Effects of High and Low-Dose Cordyceps Militaris-Containing Mushroom Blend Supplementation After Seven and Twenty-Eight Days