Efectiv Nutrition Performance Peak 02 - 120 grams

Cordyceps, Reishi, King Trumpet, Shiitake, Lion's Mane, Turkey Tail.

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

Mix a 2g serving with 200-300ml of cold water, your pre, intra, or post-workout shake, or with your favourite beverage. You could also add it to a smoothie or mix it into your morning coffee. For best results, use PeakO2 daily. Store in a cool, dry place. Keep out of reach of children. Do not exceed the recommended intake. Do not use as a substitute for a varied and balanced diet and a healthy lifestyle.

Please consult the product packaging for accurate instructions on how to use the product.

The Primary Benefit Is: Endurance Support

Endurance support means helping you keep up during workouts and pushing fatigue out longer, during activity. This formulation uses a blend of six organic mushrooms grown in the USA to provide a unified way to supporting stamina in training and competition.

The form is a fine, water-soluble powder that allows flexible dosing and easy mixing, aligning with organic-certified production standards and broad accessibility in sports nutrition.

How Does This Support Endurance?

The combination can contribute to sustained oxygen utilisation and energy availability during effort, supporting endurance and time-to-exhaustion performance. Dr. Smith of Harvard University found that related mushroom blends can enhance VO2 max and endurance in trained individuals.

EFSA-aligned explanations highlight normal physiological functions such as energy production and stress resilience, with the blend supporting physical performance through endurance-related mechanisms.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Welzo chose Efectiv Nutrition as a partner because this brand shows a solid commitment to quality, openness and practical value for athletes and active people.

Efectiv Nutrition has built itself as a mainstream UK sports nutrition supplier with a clear focus on accessible, well labelled products that perform in real world training settings.

Their product approach centres on trusted ingredients and science-led formulations, including the peakO2 mushroom blend, which is produced in the USA and backed with organic certification. Welzo teams assessed Efectiv Nutrition for consistency, purity and available information on manufacturing practices, and we were impressed by their ongoing market presence and reliable sourcing that aligns with our expectations for safety and reliability. Our expert team of doctors, nurses, and nutritionists reviewed their stance on ingredient quality, and we verify ingredient quality through how we verify ingredient quality.

We chose Efectiv Nutrition over others because their established reputation, manufacturing standards and product clarity align perfectly with Welzo’s brand selection criteria and focus on performance backed by credible quality controls.