EFECTIV® Peak O2®
PeakO2® is an organic-certified combination of six adaptogenic mushrooms including Cordyceps, Reishi, King Trumpet, Shiitake, Lion's Mane and Turkey Tail.
PeakO2® allows users to "adapt" to and overcome physical and mental stress, increasing power and endurance.
PeakO2® improves performance with the perfect blend of drinkability and efficacy. This makes it an extremely versatile ingredient that delivers a wide range of benefits.
Key Benefits
Enhanced Endurance & Stamina – Improves oxygen utilization (VO₂ max) to help you train harder for longer.
Increased Power Output – Supports sustained strength and performance during high-intensity exercise.
Faster Recovery – Reduces fatigue and helps muscles recover more efficiently between training sessions.
Adaptogenic Stress Support – Combines six organic mushrooms to boost resilience, focus, and overall workout capacity.
Nutritional Information
| Nutrient |
Per 2g Serving |
| Energy |
8 kcal |
| Fat |
0.1 g |
| of which saturates |
0.0 g |
| Carbohydrates |
1.4 g |
| of which sugars |
0.1 g |
| Fibre |
0.2 g |
| Protein |
0.3 g |
| Salt |
0.0 g |
Ingredients; Cordyceps, Reishi, King Trumpet, Shiitake, Lion's Mane and Turkey Tail.
No fillers or unnecessary additives, just 6 mushrooms for optimal performance.
How To Use
Simply mix a 2g serving with 200-300ml cold water, your pre, intra or post-workout shake, or with your favourite beverage.
You could also add to a smoothie or mix into your morning coffee.
For best results use PeakO2® daily.
Shipping & Returns
All of our orders are shipped on a next working day service with DPD.
We offer FREE UK next working day delivery on orders over £20.
Orders placed before 4pm Monday to Friday will be delivered the next working day. Any orders placed after 4pm will be delivered within 2 working days.
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unopened and unused. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at sales@efectivnutrition.com
