Protocol·Athletic Performance·Intermediate·Reviewed June 9, 2026
Endurance Performance Protocol.
An evidence-based stack to support aerobic capacity, fatigue resistance, and recovery for endurance athletes. It combines well-studied ergogenic aids that improve oxygen efficiency, buffer muscular acidosis, and blunt exercise-induced oxidative stress.
The endurance performance protocol in brief.
A quick summary. The full stack, with dose and timing for each supplement, is below.
The Endurance Performance Protocol is an intermediate stack of 6 supplements aimed at athletic performance: Beetroot Extract (Dietary Nitrate), Beta-Alanine, Caffeine, Creatine, Tart Cherry Extract, and Iron. 3 are core and the rest are optional add-ons, at roughly $45-75/mo. Each supplement below lists its dose, timing, role, and the evidence behind it.
What is in the endurance performance protocol.
Dose, timing, role, and evidence tier for each supplement. Core items carry the protocol; optional ones are situational. Open any name for the full profile.
| Supplement | Dose | Timing | Role | Evidence |
|---|---|---|---|---|
| Beetroot Extract (Dietary Nitrate) | 300-600 mg nitrate (equivalent to ~500 mL beetroot juice) | 2-3 hours before training or competition | Core | Strong |
| Beta-Alanine | 3.2-6.4 g daily, in divided doses | Split through the day with meals to reduce paresthesia | Core | Strong |
| Caffeine | 3-6 mg/kg body weight | 45-60 minutes before training or competition | Core | Strong |
| Creatine | 3-5 g daily | Any time of day, consistently; with a carbohydrate-containing meal aids uptake | Optional | Moderate |
| Tart Cherry Extract | 480 mg concentrated extract (or ~250-350 mL juice) daily | Daily, with emphasis on the days surrounding hard training and competition | Optional | Moderate |
| Iron | Individualized; commonly 18-65 mg elemental iron, only if labs indicate deficiency | On an empty stomach or with vitamin C; avoid taking alongside calcium | Optional | Moderate |
Dietary nitrate raises plasma nitrite and nitric oxide, lowering the oxygen cost of submaximal exercise and improving time-to-exhaustion and time-trial performance in endurance athletes.
Beta-alanine elevates intramuscular carnosine, buffering hydrogen ions during high-intensity efforts and improving performance in sustained efforts lasting 1-4 minutes, useful for surges and finishing kicks in endurance events.
Caffeine reduces perceived exertion and central fatigue while enhancing fat oxidation and endurance capacity across a wide range of aerobic events.
Beyond strength, creatine supports glycogen replenishment, repeated high-intensity bouts, and recovery, complementing endurance training that includes interval and surge work.
Anthocyanin-rich tart cherry reduces markers of exercise-induced muscle damage and inflammation and may accelerate functional recovery between demanding endurance sessions.
Endurance athletes, especially menstruating women, are prone to iron deficiency that impairs oxygen transport and aerobic capacity; correcting low ferritin restores performance, but supplementation should be guided by bloodwork.
How the pieces combine.
The mechanistic rationale for stacking these together rather than taking them in isolation.
- Beetroot nitrate, caffeine, and beta-alanine target distinct fatigue mechanisms (oxygen economy, central drive, and acid buffering), so combining them addresses endurance limiters that no single agent covers alone.
- Adequate iron status underpins the oxygen-delivery pathway that dietary nitrate acts upon, so correcting deficiency lets the nitric oxide benefits translate into measurable aerobic gains.
- Creatine supports the high-intensity intervals within endurance training while tart cherry blunts the resulting inflammation, together improving day-to-day training quality and recovery.
Cost and commitment.
A rough monthly cost and how involved the protocol is to run.
The evidence behind it.
Overview citations for this protocol. Each supplement's own profile carries its full source list.
- Maughan RJ, et al. IOC consensus statement: dietary supplements and the high-performance athlete. British Journal of Sports Medicine. 2018.
- Peeling P, et al. Evidence-based supplements for the enhancement of athletic performance. International Journal of Sport Nutrition and Exercise Metabolism. 2018.
Common questions.
Quick answers drawn from the stack above.
What is in the Endurance Performance Protocol?
The Endurance Performance Protocol combines 6 supplements for athletic performance: Beetroot Extract (Dietary Nitrate), Beta-Alanine, Caffeine, Creatine, Tart Cherry Extract, and Iron. 3 are core; the rest are optional.
How much does the Endurance Performance Protocol cost?
NutriStack estimates the Endurance Performance Protocol at about $45-75/mo, depending on the forms and brands you choose and whether you run the optional add-ons.
Is the Endurance Performance Protocol backed by evidence?
Each supplement in the protocol carries its own evidence tier (3 rated strong here) and links to PubMed-cited sources. NutriStack does not rank or score brands and takes no manufacturer payments; this is an informational reference, not medical advice.
Build it in the app
Run the endurance performance protocol in NutriStack.
Add the stack to NutriStack to track timing, screen it for interactions, and see a Stack Score that updates as you tune it.