Sports Science Dudes

Episode 96 - Andy Sparks PhD - Buffering the Limits: The Science of Sodium Bicarbonate

Jul 17, 2025
Dr. Andy Sparks, a nutritional expert and Research Innovations Manager at Maurten AB, dives deep into the often underestimated benefits of sodium bicarbonate for athletic performance. He explains how it functions as a buffer during high-intensity exercise, reducing pain perception and aiding long-distance athletes. Key points include innovative delivery methods to minimize GI distress and tailored dosing strategies for optimal effectiveness. Plus, discover its potential in various sports, from sprints to endurance events, and the exciting synergy with other supplements like caffeine.
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INSIGHT

Bicarbonate's GI Problem & Solution

  • Sodium bicarbonate is highly effective but underused due to gastrointestinal (GI) distress from traditional delivery methods.
  • Innovations like gastro-resistant capsules reduce GI issues, improving supplement uptake among athletes.
INSIGHT

Mechanism and Broad Benefits

  • Sodium bicarbonate benefits high-intensity events lasting from about 1 to 12 minutes by buffering hydrogen ions.
  • It may also reduce pain perception, aiding performance even in longer endurance events like marathons.
ADVICE

Use Bicarbonate Strategically

  • Avoid daily sodium bicarbonate use to prevent blunting natural training adaptations to acidity.
  • Use bicarbonate strategically to train harder and gain benefits without tolerance loss on race day.
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