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Amino acids
Beta-alanine
In plain language
An amino acid that helps muscles resist fatigue during hard, 1-4 minute efforts (like a tough set of intervals).
Is it an approved medication?
No — not an approved medication
No - sold as a food supplement, not a medication
How strong is the evidence?
Strong for the specific effort window it targets
The main thing to know
Can cause a harmless tingling feeling on the skin.
Mechanism
Precursor of muscle carnosine, which buffers H+ ions produced during intense glycolysis.
Potential benefits
- Performance in 1–4 minute efforts
- Muscle buffering capacity
- Resistance training volume
Regulatory status
Authorized food supplement (EU / FDA)