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Head-to-head evidence comparison — which supplement is right for you?
Beta-Alanine wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
12 of 14 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (2)
Outcomes where both Beta-Alanine and TMG have evidence — compare verdict strength side-by-side.
3.2-6.4g daily
Anytime - timing doesn't affect carnosine buildup
CarnoSyn® sustained-release tablets
2.5-6g betaine/TMG daily (performance studies commonly use ~2.5g; methylation/homocysteine use up to 6g)
with-meals
Betaine anhydrous (TMG)
2-4 weeks
2-4 weeks
15-30 minutes post-dose
2-6 weeks
4-8 weeks
4-8 weeks
Throughout use
Beta-alanine supplementation and exercise performance: A meta-analysis
British Journal of Sports Medicine (2017) · Meta analysis · n=1461
Significant improvement in exercise capacity
ISSN position stand: Beta-alanine
Journal of the International Society of Sports Nutrition (2015) · Review
Increases muscle carnosine by 40-80%
Effects of different dietary supplements on athletic performance in soccer players: a systematic review and network meta-analysis
Journal of the International Society of Sports Nutrition (2025) · Meta analysis
Kaempferia parviflora (SMD: 0.46, small) was associated with a significant effect on enhancing muscular strength.
Effects of Betaine Supplementation on Muscle Strength and Power: A Systematic Review.
Journal of strength and conditioning research (2017) · Systematic review
Only 2 of 7 trials reported strength/power increases; the remaining 5 showed no change
Effects of chronic betaine supplementation on exercise performance: Systematic review and meta-analysis.
Journal of sports sciences (2024) · Meta analysis
Significant effect on maximal strength (SMD 0.47, 95% CI 0.04-0.89), particularly lower body
Betaine supplementation fails to improve body composition: a systematic review and meta-analysis.
The British journal of nutrition (2022) · Meta analysis
No significant change in body fat or lean mass
Meta-analysis of 1461 subjects showed 2.85% median improvement. Effect size 0.39 overall, with optimal effects at 5.6-6.4g/day. Most effective for 1-4 minute high-intensity efforts. Side effect risk primarily reflects paresthesia (tingling), which is common but harmless.
AI-estimated from published studies. Interpret as directional guidance.
Beta-Alanine has a higher evidence score (7.5/10 vs 5.8/10) and wins in 3 of 3 categories.
For improve endurance, Beta-Alanine has a higher relevance score (90 vs 48).
No known interactions between Beta-Alanine and TMG 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.