NutraBio Peak O2, 180 Capsules
UPC: 649908218768
NutraBio Peak O2 is a mushroom adaptogen supplement designed to support athletic performance by enhancing oxygen utilization and endurance. It features a 2-gram blend of six organic mushroom strains—Cordyceps, Reishi, King Trumpet, Shiitake, Lion's Mane, and Turkey Tail—under the trademarked PeakO2 ingredient, which the manufacturer states is backed by clinical research showing improvements in VO2 max, power output, and fatigue resistance.
This product is formulated without fillers or excipients, using vegetarian capsules, and is manufactured in the USA in an FDA-registered facility following GMP standards. It carries Kosher and Vegan certifications, aligning with its plant-based composition. The serving size is three capsules, with the manufacturer recommending use before and after exercise on training days. A powder variant is also available for those preferring an alternative form.
At a glance
Supplement Facts
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Calories | 10 | † |
| Total Carbohydrate | 1.5 g | <1%* |
| PeakO2™ [Cordyceps militaris (Cordyceps), Ganoderma lucidum (Reishi), Pleurotus eryngii (King Trumpet), Lentinula edodes (Shiitake), Hericium erinaceus (Lion's Mane) and Trametes versicolor (Turkey Tail)] | 2 g | † |
| † Daily Value not established | ||
Other Ingredients
Vegetarian capsule (hypromellose, water).
Made without gluten, lactose and GMOs. Processed in a facility that also processes milk and tree nuts.
Certifications & Claims
Label Information
Directions, warnings, and other information directly from the product label.
Suggested Use
Take 1 serving (3 capsules) mixed into your favorite beverage, 1-2 times daily as needed. For optimal results: On training days, consume 1 serving before and 1 serving after exercise. On non-training days, consume 2 servings throughout the day.
Warning
Store in a cool dry place.Keep out of reach of children. Do not use if pregnant or nursing. Not for use by individuals under the age of 18 years. Consult a physician before use if you have a medical condition or are taking any medication. Discontinue use two weeks prior to surgery.
Product Info
- Brand
- NutraBio
- UPC
- 649908218768
- Package Qty
- 180 count
- Dimensions
- 5.25 x 2.85 x 2.8 in
- Shipping Weight
- 0.4 lb
- First Available
- 06/2023





