Efectiv Nutrition PeakO2

• Train harder for longer by supporting oxygen use and delaying fatigue during tough sessions.
• Feel composed under pressure with a smart, adaptogenic mushroom complex for body and mind.
• Daily convenience: unflavoured powder mixes seamlessly into water, shakes, coffee, or smoothies.
• Trusted quality for tested athletes — Informed Sport & Informed Choice certified.
• Clean formula that’s organic, vegan-friendly, and gluten-free — ideal for health-conscious lifters and endurance athletes.

Efectiv Nutrition PeakO2 120g Unflavoured

Push past plateaus without the jitters. Efectiv Nutrition PeakO2 is a premium, certified organic blend of six adaptogenic mushrooms grown in the USA and formulated to help you perform when it matters. Whether you’re chasing a faster 5K, a heavier squat, or simply want to feel more resilient through busy days, PeakO2 brings steady, reliable support to your training and recovery routine.

Powered by the renowned PeakO2 ingredient complex, this versatile powder has been shown to promote oxygen consumption during exercise, reduce lactate build-up, and extend time to fatigue — so you can keep intensity high from the first rep to the last interval. With 60 servings per 120g tub and a truly unflavoured profile, it’s effortless to take every day and easy to stack with your favourite supplements.

Why choose PeakO2?

• Performance you can feel: Supports endurance and power output so sessions feel stronger and more consistent.
• Adaptogenic support: Crafted to help you handle physical and mental stress, inside and outside the gym.
• Any-time formula: Zero flavour, zero fuss — add to water, shakes, smoothies, or even your morning coffee.
• Certified for sport: Every batch is Informed Sport & Informed Choice certified for quality and peace of mind.
• Plant-based and clean: Organic, vegan-friendly, and gluten-free to fit your lifestyle.

What’s inside the blend?

A purposeful mix of six performance-focused mushrooms: Cordyceps, Reishi, King Trumpet, Shiitake, Lion’s Mane, and Turkey Tail. Together, they form the PeakO2 complex — a balanced approach to supporting oxygen utilisation, combating fatigue, and helping you stay composed under pressure.

Who is it for?

• Endurance athletes seeking smoother efforts and stronger finishes.
• Lifters and CrossFitters wanting sustained output across sets and WODs.
• Team-sport players looking for consistent performance from whistle to whistle.
• Busy professionals after daily resilience without added flavours or stimulants.

How to use it

PeakO2 is designed for daily use. Add it to your pre, intra, or post-workout routine, or simply mix into your morning coffee or smoothie. Because it’s unflavoured and highly mixable, it fits seamlessly into whatever you already take.

Quality you can trust

• Informed Sport & Informed Choice certified for banned-substance testing and label accuracy.
• Certified organic, vegan-friendly, and gluten-free.
• Made in the USA from carefully cultivated mushrooms.
• 120g tub • 2g serving • 60 servings.

Ingredients

Cordyceps militaris (Cordyceps), Ganoderma lucidum (Reishi), Pleurotus eryngii (King Trumpet), Lentinula edodes (Shiitake), Hericium erinaceus (Lion's Mane), Trametes versicolor (Turkey Tail) (as Peak02®)

Directions

Simply mix a 2g serving with 200-300ml of cold water, your pre, intra, or post-workout shake, or with your favorite beverage. For best results, use PeakO2® daily. You could also add it to a smoothie or mix it into your morning coffee!