Evidence supporting the use of: Alpha-Alanine
For the health condition: Endurance (lack of)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Alpha-alanine is not a commonly referenced amino acid in exercise science; however, beta-alanine is well-established for its role in supporting endurance and exercise performance. Beta-alanine is a precursor to carnosine, a dipeptide that acts as a buffer for hydrogen ions in muscle tissue, helping to delay the onset of muscle fatigue during high-intensity exercise. Numerous clinical studies and meta-analyses have demonstrated that beta-alanine supplementation can increase muscle carnosine levels and enhance exercise capacity, particularly in tasks lasting 1-4 minutes. For example, a 2012 meta-analysis in Amino Acids (Hobson et al.) concluded that beta-alanine supplementation significantly improved exercise performance in a range of high-intensity activities. The evidence for endurance benefits over longer durations (endurance sports) is more mixed, but some studies suggest modest improvements. Importantly, alpha-alanine does not have the same physiological effects or scientific evidence supporting its use for endurance. If a supplement lists "alpha-alanine" for endurance, it is likely a mislabel or confusion with beta-alanine. Therefore, while there is robust scientific backing for beta-alanine's role in supporting endurance and reducing fatigue in specific circumstances, this does not extend to alpha-alanine.

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Other health conditions supported by Alpha-Alanine

Athletic and Exercise Aids
Body Building
Endurance (lack of)
Exercise

Products containing Alpha-Alanine

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