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Personalized supplement protocols for ultra-endurance athletes. Built around the science, not the marketing.
A personalized supplement protocol for Ironman triathletes, ultramarathon runners, and endurance athletes who train at the limit.
7 minutes. Sport, volume, phase, goals, dietary pattern, known issues, and experience level.
Phased across daily foundation, pre-training, and recovery windows — with doses and timing.
Every recommendation is explained with mechanism and evidence tier. No black boxes.
Adjust for race phase, new goals, or updated blood markers. The protocol evolves with you.
Base, build, peak, and taper phases have different physiological demands. Your supplement timing and selection adapt accordingly — not a one-size stack.
Plant-based athletes face different risks than omnivores. The protocol prioritizes B12, iron, creatine, and carnosine precursors when dietary intake is low.
Foot-strike hemolysis and sweat iron losses increase sharply above 15h/week. Protocols above this threshold automatically include iron monitoring guidance.
Athletes with GI sensitivity receive explicit cautions on sodium bicarbonate dosing, timing separation from protein, and osmolality guidance for race-day fueling.
Each recommendation is tagged Grade A (strong RCT evidence), Grade B (good mechanistic / moderate evidence), or flagged as emerging. No hype, no paid placements.
Every supplement requires RCT or strong mechanistic evidence in endurance populations before inclusion.
Studies conducted in trained endurance athletes, not sedentary populations. Context matters for effect size.
Recommendations reflect substrate availability windows, circadian biology, and training-specific adaptation triggers.
Known stacking conflicts (e.g. bicarbonate + protein timing, iron + calcium competition) are surfaced in your protocol.
Seven minutes. No account required. A phased supplement stack tailored to how you actually train.
Build my protocol →5 steps · ~7 minutes · Evidence-based results tailored to your sport and physiology.
Unlock your full phased supplement protocol — tailored to your sport, training load, and physiology.
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Tailored to your sport, load, and goals