The Best Supplement for Running? Sodium Bicarbonate Explained | Extra Mile
Aug 27, 2026 · 32m
Summary
Spencer Matthews and Ollie Patrick discuss sodium bicarbonate as an ergogenic aid, sparked by European marathon champion Amal Petros’s use of the supplement. They explore its mechanism for buffering hydrogen ions during high-intensity efforts, noting it is most effective for events lasting one to ten minutes rather than long-distance running. The hosts debate the significant gastrointestinal risks versus potential performance gains, concluding that foundational training and nutrition remain superior for most athletes.
Topics discussed
Introduction and host banter
Amal Petros and the sodium bicarbonate story
Ergogenic aids vs nutritional supplements
Sponsor reads: Rothy's, Midi, Upwork
Expert opinions on GI distress risks
Taste, dosage, and delivery methods
Mechanism: buffering hydrogen ions
Baking soda vs supplements and gut bypass
Dosage calculations and stomach acidity
Ideal event durations: 1 to 10 minutes
Lactate vs hydrogen ions and fatigue
How bicarbonate buffers muscle acidity
Potential 3% performance gain and elite use
Sponsor reads: Rothy's, Upwork, Midi
Applicability to middle distance running
Amateur vs elite: risk vs reward
Spencer's panini race disaster story
Lessons learned: race day consistency
Individual variability and marginal gains
Distance breakdown: 100m to 800m
Simple explanation and final thoughts
Sponsor reads: Rothy's and Lowe's
Tire guarantee mention
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