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Our Science-Backed Ingredients
Cordyceps
This adaptogenic mushroom is a "natural exercise mimetic" that enhances endurance and oxygen utilization during high-intensity and low-oxygen activities. [1, 2]
By increasing cellular energy (ATP) production and improving blood flow, it helps delay fatigue and improves exercise tolerance. [1, 2]
This makes it particularly beneficial for extreme environments, as it may improve tolerance to low-oxygen conditions (hypoxia). [3, 4]
Ashwagandha
As an adaptogen, Ashwagandha helps the body build resilience and manage the physiological stress of extreme sports. [5, 6]
It has been shown to reduce cortisol levels and improve sleep quality, which is essential for deep recovery and overall well-being. [7, 8]
Its effects on stress and sleep are often cumulative, becoming more pronounced with consistent use for several weeks. [5, 8]
Reishi Mushroom
Reishi is an adaptogen that supports the body's holistic wellness, helping it manage stress and fatigue. [9]
It has been shown to modulate the immune system by increasing key immune cell populations, which is vital for maintaining health in demanding conditions. [10, 11]
The mushroom's anti-inflammatory properties can also aid in post-exercise recovery by reducing oxidative stress. [12]
Gingko Biloba
Ginkgo Biloba helps support cognitive function by improving blood circulation, particularly to the brain. [13, 14]
This ensures adequate oxygen and nutrient delivery, which is critical for maintaining mental sharpness and focus during high-pressure situations. [13]
An acute dose has been shown to improve attention and episodic memory in healthy individuals. [15]
Ginseng
Ginseng is an adaptogen that helps the body manage physical and mental stress, improving cognitive function and mood. [16, 17]
Its active compounds have neuroprotective effects and may enhance memory and learning. [18]
When combined with Ginkgo biloba, a study found it significantly improved an "Index of Memory Quality" in healthy volunteers over a 12-week period. [19]
Beetroot
Beetroot is a source of dietary nitrate, which the body converts into nitric oxide (NO) to increase blood flow and oxygen delivery to muscles. [14, 20]
This mechanism improves endurance and exercise tolerance and is particularly effective under the hypoxic (low-oxygen) and acidic conditions common in extreme sports. [14, 20]
It also supports recovery by improving oxygen delivery during rest periods and has been shown to enhance brain function in some populations. [14]
Cordyceps
This adaptogenic mushroom is a "natural exercise mimetic" that enhances endurance and oxygen utilization during high-intensity and low-oxygen activities. [1, 2]
By increasing cellular energy (ATP) production and improving blood flow, it helps delay fatigue and improves exercise tolerance. [1, 2]
This makes it particularly beneficial for extreme environments, as it may improve tolerance to low-oxygen conditions (hypoxia). [3, 4]
Ashwagandha
As an adaptogen, Ashwagandha helps the body build resilience and manage the physiological stress of extreme sports. [5, 6]
It has been shown to reduce cortisol levels and improve sleep quality, which is essential for deep recovery and overall well-being. [7, 8]
Its effects on stress and sleep are often cumulative, becoming more pronounced with consistent use for several weeks. [5, 8]
Reishi Mushroom
Reishi is an adaptogen that supports the body's holistic wellness, helping it manage stress and fatigue. [9]
It has been shown to modulate the immune system by increasing key immune cell populations, which is vital for maintaining health in demanding conditions. [10, 11]
The mushroom's anti-inflammatory properties can also aid in post-exercise recovery by reducing oxidative stress. [12]
Gingko Biloba
Ginkgo Biloba helps support cognitive function by improving blood circulation, particularly to the brain. [13, 14]
This ensures adequate oxygen and nutrient delivery, which is critical for maintaining mental sharpness and focus during high-pressure situations. [13]
An acute dose has been shown to improve attention and episodic memory in healthy individuals. [15]
Ginseng
Ginseng is an adaptogen that helps the body manage physical and mental stress, improving cognitive function and mood. [16, 17]
Its active compounds have neuroprotective effects and may enhance memory and learning. [18]
When combined with Ginkgo biloba, a study found it significantly improved an "Index of Memory Quality" in healthy volunteers over a 12-week period. [19]
Beetroot
Beetroot is a source of dietary nitrate, which the body converts into nitric oxide (NO) to increase blood flow and oxygen delivery to muscles. [14, 20]
This mechanism improves endurance and exercise tolerance and is particularly effective under the hypoxic (low-oxygen) and acidic conditions common in extreme sports. [14, 20]
It also supports recovery by improving oxygen delivery during rest periods and has been shown to enhance brain function in some populations. [14]
Cordyceps
This adaptogenic mushroom is a "natural exercise mimetic" that enhances endurance and oxygen utilization during high-intensity and low-oxygen activities. [1, 2]
By increasing cellular energy (ATP) production and improving blood flow, it helps delay fatigue and improves exercise tolerance. [1, 2]
This makes it particularly beneficial for extreme environments, as it may improve tolerance to low-oxygen conditions (hypoxia). [3, 4]
Ashwagandha
As an adaptogen, Ashwagandha helps the body build resilience and manage the physiological stress of extreme sports. [5, 6]
It has been shown to reduce cortisol levels and improve sleep quality, which is essential for deep recovery and overall well-being. [7, 8]
Its effects on stress and sleep are often cumulative, becoming more pronounced with consistent use for several weeks. [5, 8]
Reishi Mushroom
Reishi is an adaptogen that supports the body's holistic wellness, helping it manage stress and fatigue. [9]
It has been shown to modulate the immune system by increasing key immune cell populations, which is vital for maintaining health in demanding conditions. [10, 11]
The mushroom's anti-inflammatory properties can also aid in post-exercise recovery by reducing oxidative stress. [12]
Gingko Biloba
Ginkgo Biloba helps support cognitive function by improving blood circulation, particularly to the brain. [13, 14]
This ensures adequate oxygen and nutrient delivery, which is critical for maintaining mental sharpness and focus during high-pressure situations. [13]
An acute dose has been shown to improve attention and episodic memory in healthy individuals. [15]
Ginseng
Ginseng is an adaptogen that helps the body manage physical and mental stress, improving cognitive function and mood. [16, 17]
Its active compounds have neuroprotective effects and may enhance memory and learning. [18]
When combined with Ginkgo biloba, a study found it significantly improved an "Index of Memory Quality" in healthy volunteers over a 12-week period. [19]
Beetroot
Beetroot is a source of dietary nitrate, which the body converts into nitric oxide (NO) to increase blood flow and oxygen delivery to muscles. [14, 20]
This mechanism improves endurance and exercise tolerance and is particularly effective under the hypoxic (low-oxygen) and acidic conditions common in extreme sports. [14, 20]
It also supports recovery by improving oxygen delivery during rest periods and has been shown to enhance brain function in some populations. [14]
The OxyStrength Advantage: Four Pillars of Support
Science-Backed Formulations
Science-Backed Formulations
We research, not guess—scientifically formulated for oxygen, energy, and resilience in extreme environments.
Clean & Transparent Sourcing
Clean & Transparent Sourcing
Your health is our priority. We’re transparent, rigorously testing every ingredient for purity, potency, and label accuracy—always free from artificial additives.
Adaptogen-Rich Blends
Adaptogen-Rich Blends
Our formulas go beyond vitamins, blending adaptogens, mushrooms, and botanicals to help your body adapt to stress, fight fatigue, and stay balanced.
Full-Spectrum Support
Full-Spectrum Support
Performance is multidimensional. Our products support endurance, immunity, and mental clarity—addressing the full spectrum of your needs.
We research, not guess—scientifically formulated for oxygen, energy, and resilience in extreme environments.
Your health is our priority. We’re transparent, rigorously testing every ingredient for purity, potency, and label accuracy—always free from artificial additives.
Our formulas go beyond vitamins, blending adaptogens, mushrooms, and botanicals to help your body adapt to stress, fight fatigue, and stay balanced.
Performance is multidimensional. Our products support endurance, immunity, and mental clarity—addressing the full spectrum of your needs.
Let customers speak for us
from 103 reviewsThis replaced both my electrolyte tabs and my energy drink. It does both jobs better, naturally.
I've used other creatine brands that gave me digestive upset. This one dissolves easily and is gentle on my stomach.
Took this 3 days prior and during my backpacking trip. The Ginseng regulated my mood and I felt less grumpy from the exhaustion. Great cognitive lift.
It's great to see a multivitamin formulated with an understanding of oxidative stress and muscle function under duress. This is designed for hard work, not just general health.
I've had issues with other powders leaving a gritty residue. This dissolves instantly and cleanly.
This product delivered. I felt confident in my body’s ability to utilize oxygen, which is the most critical element of high-altitude trekking.
Catabolism is a big issue on long expeditions. This product helps provide my muscles with the fuel needed to fight that breakdown.
The 20g of protein hits the spot after a hard day. Knowing it’s clean fuel for rebuilding muscle is great peace of mind.
The Reishi component is fantastic. It helped manage my body's stress response to the extreme cold and physical exertion. Felt much calmer and recovered better overnight.
Having a reliable source of protein for muscle synthesis is key to continuous training. This product has been a massive help.
The balance of electrolytes and minerals is perfect for someone sweating a lot on the trail. It keeps my system running smoothly.
No crazy claims, just a reliable, comprehensive blend of vitamins and minerals. It's my base layer for all my nutritional needs.
I checked the label and was impressed by the forms of the vitamins used. It's clear they prioritize absorption. Worth the slightly higher price for the quality.
If your sport requires both endurance and short bursts of max power (like mountaineering), this is critical fuel for your muscles.
The taste is fantastic—not too sugary, just refreshing and tart. It makes drinking water much easier on a hot trail.
The Activites We Support
Climbing
Skiing
Hiking
Trekking
Altitude Training
Mountain Biking
Targeted Support for Every Stage
Optimize performance and recovery with supplements tailored for pre-ascent, summit, and post-expedition needs.
30 days money-back guarantee
Understanding the Air Up There
A Beginner's Guide to Altitude Sickness
A beginner-friendly guide to understanding, recognizing, and preventing altitude sickness—covering its causes, symptoms, and essential tips for staying safe during high-altitude treks and climbs.
READ MORE
Training for the Heights
The 4-Week Plan for Your First High-Altitude Trek
A practical 4-week training plan to prepare your body for high-altitude trekking—boosting aerobic capacity, leg and core strength, and endurance while building confidence for the trail.
READ MORE
The Unseen Threat
How Oxidative Stress Impacts Your Body at High Altitude
An in-depth look at oxidative stress in high-altitude climbing—how low oxygen and intense exertion amplify it, and how targeted nutrition and antioxidants can protect performance and recovery.
READ MORE
Fueling Your Adventure
Essential Nutrients for Extreme Environments
A high-altitude nutrition guide detailing the essential role of carbohydrates, protein, iron, and hydration in fueling performance, boosting recovery, and preventing altitude-related fatigue.
READ MORE
Beyond the Trail
The Importance of Rest and Recovery in High-Altitude Sports
Why strategic rest and recovery are essential for high-altitude success, with practical tips to repair muscles, restore energy, and optimize performance in low-oxygen environments.
READ MORE
The Gut-Brain Connection
Why Your Digestion Matters on the Mountain
How gut health impacts high-altitude performance, from nutrient absorption to mental clarity, with strategies to keep your digestive system strong and resilient on the mountain.
READ MORE
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