Free entry from The Complete Supplement Guide
Sodium Bicarbonate (Baking Soda)
Graded Strong · Performance & Strength · free to read
Yes, this is baking soda, and the performance evidence behind it is genuine and substantial.
The form that actually absorbs, the purity red flags and what not to stack it with are in the guide.
Get The Complete Supplement Guide →Last reviewed September 2026
The verdict
Is Sodium Bicarbonate worth taking?
Yes, this is baking soda, and the performance evidence behind it is genuine and substantial. It buffers acid in the bloodstream during high- intensity effort, extending the time before fatigue forces you to slow down. Take 0.3 g per kg of bodyweight dissolved in water 60 to 90 minutes before training. GI discomfort is the primary limitation. Split dosing or enteric-coated capsules reduce this significantly. One of the most underused and most cost-effective performance tools available.
What it does
What Sodium Bicarbonate does in the body
Extracellular acid buffering, high-intensity performance enhancement, fatigue delay, and endurance during repeated sprint efforts. This is baking soda. The same compound sitting in most kitchen cupboards has one of the strongest evidence bases for performance enhancement of any supplement in this category. Sodium bicarbonate works by raising blood pH, increasing the body’s capacity to buffer the hydrogen ions produced during high- intensity exercise. Where beta-alanine buffers hydrogen ions inside the muscle cell, sodium bicarbonate does so in the extracellular space and bloodstream. The two mechanisms are complementary and genuinely additive when combined.
The evidence
What the research actually shows
Sodium bicarbonate is among the most consistently evidenced ergogenic aids in sports science with decades of research across rowing, cycling, swimming, running, and resistance training. Meta-analyses consistently confirm meaningful improvements in high-intensity exercise lasting 1 to 7 minutes. The primary limitation in practice is not efficacy but GI tolerance.
Food first
Getting Sodium Bicarbonate from food
This is the food. Baking soda is a kitchen staple that costs almost nothing and delivers one of the most well- evidenced acute performance benefits of any compound in this guide. There is no food-form alternative that produces the same extracellular buffering effect.
What the guide adds
The part that is not on this page
Everything above is the assessment. What the guide adds for Sodium Bicarbonate is the protocol:
- Optimal Form
- Bioavailability
- Purity Red Flags
- Stack With / Avoid
147 entries across nine categories, every one graded against the clinical literature the same way.
About the author
Who graded this
Daniel Edlund is a Le Cordon Bleu-trained private chef in Los Angeles, a certified personal trainer and strength coach, and an internationally licensed massage therapist. Thirty years of strength training and fifteen years cooking in private estate kitchens. He is the author of The Complete Supplement Guide, which grades 147 entries against the clinical literature, and of The EASY Way to Organic Cooking, first published in 2013.
This page is information, not medical advice. Supplements interact with prescription medication and with each other, and the right answer depends on your own bloodwork and history. Talk to your doctor before starting anything, particularly if you are pregnant, nursing, managing a health condition, or already taking medication.
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