Protocol · Sports Performance
High Altitude Performance & Acclimatization Protocol
Iron and Beetroot Juice / Nitrates are the core of this stack, with 7 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in High Altitude Performance & Acclimatization.
We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.
The stack
9 supplements · 1 graded
| Grade | Supplement | Amount listed | Why it’s in the stack | Evidence on file | Shop |
|---|---|---|---|---|---|
| Primary stackThe core of this protocol | |||||
| Iron | Amount listed: If deficient: 18–65 mg elemental iron daily; start before altitude exposure | Essential for hemoglobin synthesis; altitude increases red blood cell production which demands more iron | Not graded yet | ||
| Beetroot Juice / Nitrates | Amount listed: 400–600 mg nitrate (70–140 ml concentrated beetroot juice) 2–3 hours before activity | Dietary nitrates improve oxygen efficiency and may enhance performance at altitude where oxygen is limited | Not graded yet | ||
| Supporting stackListed as additions to the core | |||||
| Rhodiola Rosea | Amount listed: 200–600 mg standardized extract daily (start 1–2 weeks before altitude) | Adaptogen traditionally used for altitude; may improve oxygen utilization and reduce fatigue | Not graded yet | ||
| Caffeine | Amount listed: 3–6 mg/kg body weight 30–60 minutes before activity | Enhances exercise performance and may counteract altitude-induced cognitive and physical impairment
| Grade C for Muscular Endurance1 study · 8 people | ||
| Vitamin E | Amount listed: 400 IU daily (start 1 week before altitude) | Antioxidant that may help combat increased oxidative stress at high altitude | Not graded yet | ||
| Vitamin C | Amount listed: 500–1,000 mg daily | Antioxidant; may reduce oxidative stress and support immune function at altitude | Not graded yet | ||
| Ginkgo Biloba | Amount listed: 120–240 mg standardized extract daily (start 5 days before ascent) | Studied for acute mountain sickness prevention; results mixed but may help some individuals | Not graded yet | ||
| Coenzyme Q10 | Amount listed: 100–200 mg daily | Supports mitochondrial function and may help maintain energy production at altitude | Not graded yet | ||
| Glutamine | Amount listed: 5–10 g daily | May support immune function which can be compromised at altitude | Not graded yet | ||
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- Grade C
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How this protocol works
In plain language
High altitude presents unique challenges due to reduced oxygen availability (hypoxia). Above 2500m (8000ft), the body experiences stress that can impair physical performance, cause acute mountain sickness (AMS), and in severe cases lead to high altitude pulmonary edema (HAPE) or cerebral edema (HACE). The body adapts through acclimatization - increasing red blood cells, breathing rate, and cardiac output. Supplements can support this adaptation and maintain performance.
CRITICAL: For serious altitude exposure (>3000m or rapid ascent), consider pharmaceutical prophylaxis (acetazolamide) and follow proper acclimatization protocols. If you develop symptoms of severe AMS, HAPE, or HACE, descend immediately - this is a medical emergency. These supplements support acclimatization but don't replace proper altitude safety.
Iron* is crucial for altitude adaptation. Your body produces more red blood cells at altitude to carry oxygen, but this requires adequate iron stores. Iron deficiency is common and will severely limit your ability to adapt. Get ferritin levels checked before altitude exposure.
Beetroot Juice (Nitrates)* may be particularly beneficial at altitude. Nitrates convert to nitric oxide, which improves oxygen efficiency in muscles. Since oxygen is limited at altitude, using it more efficiently can maintain performance.
Rhodiola Rosea* has been traditionally used for altitude in high-mountain regions. It may improve oxygen utilization and reduce fatigue. Starting supplementation 1-2 weeks before altitude may be beneficial.
Caffeine* enhances exercise performance at sea level and may help counteract altitude-induced impairment in both physical and cognitive performance.
Antioxidants (Vitamins C and E)* help combat the increased oxidative stress that occurs at altitude due to hypoxia and increased UV radiation.
Ginkgo Biloba* has been studied for acute mountain sickness prevention with mixed results. Some studies show benefit, others do not. It may help some individuals.
CoQ10* supports mitochondrial energy production which may help maintain energy at altitude.
Glutamine* supports immune function, which can be suppressed at altitude, increasing susceptibility to respiratory infections.
Expected timeline: Iron optimization: start 4-8 weeks before altitude. Beetroot juice: acute benefit 2-3 hours before activity. Rhodiola: start 1-2 weeks before. Antioxidants: start 1 week before. Proper acclimatization (gradual ascent, rest days) remains the most important strategy.