PeakO2®
An organic blend of six adaptogenic mushrooms that helps improve oxygen utilization, power output, and endurance.
Also known as: Mushroom Blend for Performance
Overview
PeakO2® is a patented blend of six species of mushrooms (Cordyceps, Reishi, King Trumpet, Shiitake, Lion's Mane, and Turkey Tail) grown on organic whole oats. This process enriches the final product with powerful adaptogens and antioxidants, including L-Ergothioneine and Beta-Glucans. PeakO2® is designed to help athletes adapt to and overcome physical and mental stress, improving performance by enhancing oxygen uptake and utilization.
Key Benefits
Enhances Oxygen Utilization (VO2 Max)
Helps the body use oxygen more efficiently, increasing the time to exhaustion and improving VO2 max.
Boosts Power Output
Clinical studies have shown that supplementation increases peak power output and strength over time.
Improves Endurance Capacity
Athletes using PeakO2® have been able to train longer and harder before reaching fatigue.
Adaptogenic Properties
As an adaptogen, it helps the body better cope with physical stress, aiding in recovery and reducing the negative effects of overtraining.
Dosage & How to Take
The clinically effective dose ranges from 1 to 4 grams per day.
| Purpose | Dose | Notes |
|---|---|---|
| Performance Enhancement | 2,000 mg daily | Can be taken as a single dose pre-workout or split into two 1,000 mg doses. |
| Loading Phase | 4,000 mg daily for 1-2 weeks | Some studies use a higher initial loading dose to saturate the muscles, followed by a maintenance dose. |
Best Time to Take
For best results, consistent daily use is recommended. Taking it 30 minutes before a workout is a common strategy.
With or Without Food
Can be taken with or without food.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| PeakO2® (Patented Blend) | Good | Improving endurance and power. | This is a specific, trademarked blend of mushrooms with standardized adaptogenic compounds. |
Side Effects & Safety
Common
- None reported. It is very well-tolerated.
Rare
- No rare side effects have been documented.
Contraindications
- Individuals with autoimmune conditions or on immunosuppressant drugs should consult a doctor, as mushrooms can modulate immune function.
Interactions
Scientific Research
The effects of a commercial mushroom blend on exercise performance and body composition in collegiate runners
Supplementing with 4g/day of PeakO2® for 21 days led to significant improvements in VO2 max, time to exhaustion, and peak power output compared to placebo.
Food Sources
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.