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#580: Sodium Bicarbonate for Sports Performance – Prof. Lewis Gough

Sigma Nutrition Radio

Release Date: 10/14/2025

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Sodium bicarbonate is one of the most consistently supported ergogenic aids in sports nutrition research, yet its underlying mechanisms and real-world applications remain widely misunderstood.

More recent developments have focused on how to optimise both the timing and formulation of supplementation. The “individualised ingestion timing” approach has emerged as a practical strategy, recognising that the time-to-peak blood bicarbonate concentration varies considerably between individuals.

Similarly, novel formulations are being explored to address issues with gastrointestinal distress and practicality of dosing. These include topical approaches such as sodium bicarbonate lotion, and commercial products like Maurten’s “Bicarb System.”

In this episode, Prof. Lewis Gough joins to discuss the latest evidence on sodium bicarbonate and performance, its mechanisms, novel delivery systems, and the key directions for future research.

Dr. Lewis Gough is a Professor of Nutrition and Physiology at Birmingham City University. He is globally recognized for his research on sodium bicarbonate supplementation in sport, and his work spans applied sport and exercise nutrition, exercise metabolism, acid–base balance, and fatigue.

Timestamps

  • [03:12] Professor Gough’s academic journey
  • [06:29] Mechanisms of sodium bicarbonate and historical perspective on lactate
  • [11:21] Sodium bicarbonate’s role in performance
  • [22:45] Individual responses to sodium bicarbonate
  • [26:53] Timing strategies for sodium bicarbonate
  • [32:38] Individualized approach to sodium bicarbonate timing
  • [36:47] Traditional vs. novel delivery methods
  • [44:27] Practical recommendations for athletes
  • [51:18] Future research directions
  • [01:02:08] Key Ideas segment

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