Sodium Bicarbonate
Baking soda, acts as an acute fatigue buffer by making the body more alkaline; can cause GI distress but can be applied topically as a cream.
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Videos Mentioning Sodium Bicarbonate

Dr. Andy Galpin: The Optimal Diet, Supplement, & Recovery Protocol for Peak Performance
FoundMyFitness
Baking soda, acts as an acute fatigue buffer by making the body more alkaline; can cause GI distress but can be applied topically as a cream.

Beta-Alanine, Training Frequency, and Strength for Hypertrophy (Episode 59)
Stronger By Science
A supplement that effectively facilitates buffering and elevates blood bicarbonate levels, considered a potentially more efficacious route for acute buffering than carnosine/anserine mixtures.

Betaine, Sodium Bicarbonate, and Evaluating New Research as it Develops (Episode 45)
Stronger By Science
A popular supplement that showed a positive effect on muscular endurance but not strength in a meta-analysis, primarily by buffering hydrogen ions during intense exercise. High doses can cause severe GI discomfort and its taste is unpleasant.

Dr. Andy Galpin: How to Build Strength, Muscle Size & Endurance
Andrew Huberman
Supplement that acts as an intracellular and extracellular buffer against acid buildup, delaying fatigue during high-intensity exercise.

Q&A: Bands, Chains, Useful Supplements, and Tweaking Your Program (Episode 27)
Stronger By Science
A performance-enhancing supplement applicable to high-acidosis activities, helping to buffer acidity.

Performance Coach Andy Galpin — Rebooting Tim’s Sleep, Nutrition, Supplements, and Training for 2024
Tim Ferriss
Often known as baking soda, suggested as a solution to create a more alkaline internal environment, which can help with altitude sickness. Available as an oral supplement or in lotion form (e.g., PR Lotion).

Season Finale: Tons of New Meta-Analyses and Q&A Catch-Up (Episode 46)
Stronger By Science
Supplementation significantly increases strength endurance but not maximal strength, with an inflated effect size in one meta-analysis due to an outlier, suggesting a more modest effect (0.2-0.25).

Dr. Andy Galpin: Optimal Nutrition & Supplementation for Fitness | Huberman Lab Guest Series
Andrew Huberman
Mentioned as a fatigue blocker, similar to beta-alanine.