Overview
Extracellular buffer used for high-intensity exercise capacity.
Mechanism of action
Raises blood bicarbonate, allowing greater H+ efflux from muscle.
Effects on the body
Organ system effects
Evidence-based benefits
Improves performance in 1–7 min events
Strong evidencePotential side effects
- · GI upset
- · Bloating
- · Avoid in hypertension/CHF
Drug interactions
No notable interactions reported.
Supplement interactions
None listed.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.
Scientific evidence (8)
NaHCO3 meta-analysis on performance
Carr AJ, et al.
Pooled analysis of NaHCO3 trials in high-intensity exercise.
Small but consistent ergogenic effect.
PubMed: Sodium Bicarbonate — Improves performance in 1–7 min events
Live PubMed search
Live results for "Sodium Bicarbonate Improves performance in 1–7 min events" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Sodium Bicarbonate and "Improves performance in 1–7 min events". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Sodium Bicarbonate — randomized controlled trial
Live PubMed search
Live results for "Sodium Bicarbonate randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Sodium Bicarbonate and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Sodium Bicarbonate — meta-analysis
Live PubMed search
Live results for "Sodium Bicarbonate meta-analysis" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Sodium Bicarbonate and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Sodium Bicarbonate — pharmacokinetics
Live PubMed search
Live results for "Sodium Bicarbonate pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Sodium Bicarbonate and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Sodium Bicarbonate — safety adverse events
Live PubMed search
Live results for "Sodium Bicarbonate safety adverse events" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Sodium Bicarbonate and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Sodium Bicarbonate — dose response
Live PubMed search
Live results for "Sodium Bicarbonate dose response" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Sodium Bicarbonate and "dose response". Filter by RCT, meta-analysis, or year on the results page.
Google Scholar: Sodium Bicarbonate — clinical evidence
Live Scholar search
Cross-database citation index for Sodium Bicarbonate as it relates to "clinical evidence".
Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.