Efectiv Nutrition Performance Peak 02 is a performance supplement that powers up endurance and strength, thanks to the PeakO2 mix from six organic mushrooms. Organic-certified, US-made, it’s simple to mix. As a trusted British brand, we prioritise quality, transparency, and real world results. You’ll notice better stamina and faster recovery after workouts.

Available Sizes & Variants:

120 grams Performance Peak 02 - Organic-certified PeakO2 blend in a fine, water soluble powder for flexible dosing.

Benefits & Features:

• Endurance improves with the PeakO2 blend.
• Time to fatigue extends as the blend supports efficient oxygen use during workouts, helping you push harder before fatigue slows you down significantly today.
• Recovery between sets speeds up as the blend supports energy production and fatigue management.
• Organic-certified and USA-made, this powder dissolves easily in water or juice, making it simple to integrate into daily training routines and sports nutrition supplements.
• Versatile for all sport types, it’s ideal for runners, cyclists, and gym athletes.

PeakO2 sits at the heart of Performance Peak 02, a blend built from six organic mushrooms grown in the USA. The star ingredients cordyceps, reishi, king trumpet, shiitake, lion's mane, and turkey tail work together as natural adaptogens to support oxygen use and fatigue resistance. Efectiv Nutrition is a trusted UK sports nutrition brand known for transparent labelling and value-driven formulations, with third-party testing for purity and potency where available. This product slots neatly into a sports nutrition routine and pairs well with a muscle gainer protein powder or energy gels for running.