Stamox Oxy-plus beetroot powder with sports bottle and vibrant drink for endurance and recovery
Stamox beetroot powder in vibrant pink, held in scoop over open container, showcasing Oxy-plus Competition supplement.
Stamox beetroot powder jar showing front, back, and side labels for Oxy-plus Competition supplement
Spoonful of vibrant beetroot powder against green moss, natural endurance booster
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Optimise VO₂ Max · Sustain Power · Recover Faster

Stamox Elite Starter Kit

4.9
4000+ ATHLETE REVIEWS
877,00 DKK 877,00 DKK 974,00 DKK
Lowers the O₂ cost of hard efforts in 2–3 hours. Backed by decades of research. Trusted by Olympians since 2007.
The Stamox Elite Starter Kit includes Oxy-Plus Beetroot Powder ×2, a Stamox Water Bottle, and two digital training protocols. Built for endurance athletes.

What Athletes Say

"Light taste, dissolves instantly, and passes through the stomach effortlessly — zero GI issues under threshold load."

MarcoValerio Ciminelli, Italian Cyclist

Verified Quality Standards

Anti-Doping
Tested

Ships NO/EU/UK
No Customs

12-Week
Guarantee

Included

Trusted By The Best

Cyclists on podium celebrating race win with medals, showcasing endurance and athletic performance

380w @ 145bpm vs 153bpm

"380 watts at 145 bpm with Stamox. Without: 153 bpm. That's 8 beats lower at the same power."


- Arvid Johannesen, Norwegian & Nordic Champion Cyclist
Connor Rogers

Connor Rogers

Runner - 5km 14:27 · 10km 30:29

"I’ve found the missing link in my running with Stamox. The data doesn’t lie: 166 bpm on 3:03/km reps."
Rémi Bury

Rémi Bury

RCS Cyclist

"Same LT2 workout, 4 weeks apart: +10 watts, -10 bpm over 8 minutes. The results are clear." .
Kev Jackson

Kev Jackson

Hyrox Pro Athlete, World Championships Qualifier

"VO₂ max from 54 to 60 in 3 months. Resting heart rate: 37 bpm. I trust it 100%."
Håvard Haukenes

Håvard Haukenes

2x Olympian

"Used Stamox all the way to the Olympics. Better oxygen uptake. Better blood flow. More endurance. Sharper focus."
Mitchell Mulhern

Mitchell Mulhern

World Champion Team Pursuit

"All-time best 30-minute power with Stamox. Then another PB the week after. I take it 2-3 hours pre-ride — the perfect window."

What Stamox Does For You 

Athlete wearing VO2 Master mask during intense endurance training for performance and recovery

VO₂ Max & Oxygen Economy

Dietary nitrates → nitric oxide → vasodilation. More oxygen to muscle. 3–5% lower O₂ cost at the same pace. From the very first dose.
Athlete sprinting on track, showcasing endurance and power for peak performance

Fatigue Resistance & Power

Extends time-to-exhaustion by up to 16%. Sustain power output deep into efforts. Hold threshold wattage when others fade.
Athlete in STX Stamox tank top, showcasing tattoos and athletic gear for endurance training.

Recovery & Digestion

Betalains clear metabolic waste and reduce inflammation. Less soreness. Fresher legs. No GI distress. No guesswork.
" "
Athlete sprinting on track, showcasing power and endurance for peak performance

Backed By Science

"Dietary nitrate reduces the O₂ cost of exercise and extends time-to-exhaustion by up to 16%."
— Prof. Andrew Jones, University of Exeter (Bailey et al., 2009)

IOC Level A

Highest evidence tier in sport. One of five. Alongside caffeine and creatine.

Decades of Research

Performance data on beetroot across cycling, running, rowing, and team sports.

19 Years R&D

Refined since 2007. Anti-doping tested.

ATHLETE DATA // USER METRICS

Elite Performance Data

-8 BPM

LOWER THRESHOLD HEART RATE

ARVID J. NORDIC CYCLIST CHAMP
+4.5

VO₂ MAX INCREASE (4 MO)

THOMAS E. X2 NATIONAL ROWER CHAMP
+2.6%

POWER OUTPUT JUMP

JACK B. ULTRA DISTANCE RECORD HOLDER

How It Works

Stamox optimises how your body uses oxygen at the cellular level. Effects peak 2–3 hours after consuming. Here's the full timeline.
Stamox beetroot powder vs pills, generic powder, juice: high-dose, anti-doping tested, clinically backed for athletes
Vibrant red beetroot juice in a chilled glass, promoting natural endurance and recovery.

Training in extreme heat?

Stamox preserves muscle oxygenation when temperatures rise.


"With Stamox I had feelings of ease and oxygenation I'd never had before." — Filippo Pellegrini, Italian On Runner

See the data →

How to Use

Spoon of vibrant red beetroot powder over a glass of dark beet juice, enhancing endurance and recovery.

01 / Baseline Dose

Mix 1 tablespoon into 500ml of water 2–3 hours before training to optimise daily oxygen economy.
Athlete mixing beetroot powder supplement on track for endurance and recovery

02 / Racing Protocol

Mix 2–3 tablespoons on race days or during peak intensity blocks to sustain target threshold wattage.
Stamox Oxy-plus beetroot powder jars, red sports bottle, and mixed drink for endurance and recovery

03 / Versatile Mix

Mix with water, juice, smoothies, or your pre-workout stack. Pro-Tip: Add a splash of citrus to brighten the flavor and boost absorption.
04 / Critical Constraint

Avoid mouthwash, tongue scraping, and breath mints — they kill the bacteria that convert nitrates into nitric oxide.

Session Intensity Guide for beetroot powder dosage by workout type and timing, showing scoops needed for recovery, moderate, hard, or race events.

Real-World Testing

Individual results may vary. Self-reported and case study data.

Bar chart showing lower heart rate and RPE after supplementation, indicating improved endurance and recovery

Lower RPE & Heart Rate

Marco V. held identical power at a lower heart rate.

Read Case Study →
+6.0% VO2 max elevation graph showing improved endurance and peak capacity with beetroot powder

+6.0% VO₂ Max Elevation

Pro cross-country skier. Increased peak O₂ uptake, reduced blood lactate.

Read Case Study →
Bar chart showing optimized fat oxidation rates before and after, with +30.6% peak and +38.7% target rate improvements

Optimised Fat Oxidation

Clear fat-burning efficiency. Glycogen conserved during long efforts.

Read Case Study →

Your Protocol. Proven.

Hamza Saeed

Hamza Saeed

Performance Coach

"The best product I've ever tried. A game-changer for athletes with sensitive digestion. Elite performance benefits while keeping my GI happy."
MarcoValerio Ciminelli

MarcoValerio Ciminelli

Italian Cyclist

"I’ve used other beetroot powders, but Stamox is significantly better. It mixes easily, has a lighter taste, and is vastly easier on the stomach pre-workout."
Jente Michels

Jente Michels

x2 European Champion, Alpecin‑Deceuninck

"The purest beetroot powder on the market. Boosted my power and VO₂ max — helped me become U23 European Champion."
Maciek Maślanko

Maciek Maślanko

Polish Champion & World Championship Medalist

"The predictable effect — peak performance 2–3 hours after taking it — lets me plan every session with precision."

The Research Behind Stamox

Independent research on beetroot — none sponsored by us.

Athlete sprinting with motion blur, showcasing endurance and speed for performance training

Bailey et al. (2009) — J Appl Physiol

“Dietary nitrate reduces O₂ cost & extends time‑to‑exhaustion”

The original study behind the 16% Exeter stat.

View on PubMed →
Sliced beetroot rounds with text asking about nitrate benefits, featuring Stamox brand

Sánchez‑Oliver et al. (2024) —Nutrients

“Whole beetroot outperforms isolated nitrate”

Meta‑analysis confirming beetroot deliver superior endurance and recovery benefits.

View on PubMed →
Read Study Summary →
Cyclists racing uphill, showcasing endurance and power for athletic performance

Clifford et al. (2016) —Nutrients

“Beetroot juice: repeated sprint recovery”

Showed beetroot accelerates recovery of sprint and jump performance post‑exercise.

View on PubMed →
Fresh organic beetroots with vibrant deep red skin, natural source for beetroot powder supplements

Wylie et al. (2013) — J Appl Physiol

“Beetroot juice: dose‑response & performance”

Established the effective nitrate range — the basis for Stamox’s serving size.

View on PubMed →
See the Data →

FAQ

Premium red beetroot extract (Beta Vulgaris) with maltodextrin. Delivers naturally occurring nitrates (oxygen delivery), betaine (power output), and betalains (recovery). No stimulants, no banned substances.

Acute effects peak 2–3 hours after consumption — lower heart rate at the same output. Cumulative adaptations (VO₂ max, mitochondrial efficiency) build over 2–12 weeks of consistent use.

Full matrix preserved — we don't strip betaine and betalains like most powders. Generic beetroot powder can vary up to 10x between batches. Stamox provides consistent and measurable results. 19 years of real-world results with thousands of athletes.

The bottom line: generic beetroot is unpredictable — you can't build a serious training programme on guesswork. Stamox delivers lower heart rate, faster recovery, predictable endurance.

The nitrate content in Stamox ranges from 1.3% to 1.7%, averaging 1.5% with a +/- 0.2% variance.

That means you're getting around 300 mg of nitrate in just two tablespoons.

Nitrate is only one component contributing to Stamox's unique benefits. You won't get the same results by simply taking nitrates on their own.

The true power of Stamox comes from the synergistic blend of nitrates, antioxidants and its other natural compounds working together.

Stamox is regularly tested for anti-doping, confirming it does not contain any prohibited substance and is free from any natural contaminants.

Stamox has a slightly sweet, earthy flavour — lighter than generic beetroot powder.

Mix 1 tablespoon into 500ml water, juice, or your pre-workout. For the smoothest mix: liquid first, then powder, wait 2 minutes, stir (or use a frother). Add a splash of lemon or orange to brighten the taste and boost absorption. Also great in smoothies or yoghurt.

Mouthwash kills the oral bacteria that convert dietary nitrates intonitric oxide. Skip mouthwash, tongue scraping, and breath mints for atleast 2 hours after taking Stamox — or you'll blunt the effect.
Local Shipping

Local Shipping

Ships from EU, UK & Norway. Tracked, zero customs.
Performance Guarantee

Performance Guarantee

12 weeks to a measurable HR drop or longer output—or your money back.
Personal Protocol Support

Personal Protocol Support

Race or protocol question? We help you dial it in. Email us at eirin@stamox.com.