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Head-to-head evidence comparison — which supplement is right for you?
EAAs vs Sodium Bicarbonate: EAAs has the stronger overall evidence (6 vs 7.5/10); they're alternatives for improve endurance — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
EAAs wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
9 of 10 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
6 of 10 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both EAAs and Sodium Bicarbonate have evidence — compare verdict strength side-by-side.
10-15g EAAs (containing 3-4g leucine)
Intra-workout, Post-workout, Between meals
Free-form EAA powder (instantized for mixing)
0.2-0.3g per kg bodyweight (14-21g for 70kg person)
60-180 minutes before exercise, Split into multiple doses
Pharmaceutical-grade sodium bicarbonate powder or capsules
Acute (within hours)
24-72 hours
During caloric deficit
Acute (1-3 hours)
Acute
Peri-operative protein or amino acid supplementation for total joint arthroplasty: a systematic review and meta-analysis
Journal of orthopaedic surgery and research (2025) · Meta analysis · n=903
Essential amino acids (EAA) significantly reduced muscle atrophy in quadriceps femoris muscle mass (SMD: 0.69; 95% CI: 0.44 to 0.95) and hamstring muscle mass (SMD: 1.04; 95% CI: 0.52 to 1.55).
The Association of the Essential Amino Acids Lysine, Methionine, and Threonine with Clinical Outcomes in Patients at Nutritional Risk: Secondary Analysis of a Randomized Clinical Trial
Nutrients (2024) · Rct · n=237
In a model adjusted for comorbidities, sex, nutritional risk, and trial intervention, low plasma methionine levels were associated with 30-day mortality (adjusted HR 1.98 [95% CI 1.16 to 3.36], p = 0.01) and with a decline in functional status (adjusted OR 2.06 [95% CI 1.06 to 4.01], p = 0.03).
Exercise Programs Combined with Diet Supplementation Improve Body Composition and Physical Function in Older Adults with Sarcopenia: A Systematic Review
Nutrients (2023) · Systematic review · n=16
A total of 16 studies met the inclusion criteria and were included in this systematic review.
Sodium Bicarbonate Treatment and Clinical Outcomes in Chronic Kidney Disease with Metabolic Acidosis: A Meta-Analysis
Clinical journal of the American Society of Nephrology : CJASN (2024) · Meta analysis · n=2037
Fourteen RCTs comprising 2037 patients demonstrated that sodium bicarbonate supplementation significantly improved eGFR (standardized mean difference [SMD], 0.33; 95% confidence interval [CI], 0.03 to 0.63; P = 0.03).
Nutritional Ergogenic Aids in Cycling: A Systematic Review
Nutrients (2024) · Systematic review · n=701
However, no statistically significant effects were identified for the remaining supplements, whether administered individually or in combination.
Effects of Different Dietary Supplements on Swimming Performance: A Systematic Review and Network Meta-Analysis
Nutrients (2024) · Meta analysis
L-arginine (Arg) demonstrated superior performance to the placebo (SMD = -1.66, 95% CI [-2.92, -0.44]), emerging as the most effective intervention for reducing 100 swimming time (SUCRA = 89.5%).
Based on studies showing EAA supplementation increases MPS rates. Effect magnitude conservative given limited dose-response data. Requires adequate leucine content (3-4g). Individual response varies significantly.
Based on meta-analyses showing performance improvements in combat sports and cycling. GI distress is dose-limiting factor. Effects primarily observed in events lasting 1-7 minutes. Individual variation in tolerance is high.
AI-estimated from published studies. Interpret as directional guidance.
EAAs has a higher evidence score (6/10 vs 7.5/10) and wins in 2 of 3 categories.
For improve endurance, Sodium Bicarbonate has a higher relevance score (90 vs 52).
No known interactions between EAAs and Sodium Bicarbonate have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.