Beta-Alanine
ColorantsCAS: 107-95-9
This is what the ingredient is.
Beta-alanine is a non-essential amino acid that combines with histidine to form carnosine, a muscle buffer.
Here is why it shows up on the label.
Used in sports nutrition to improve exercise performance and reduce muscle fatigue.
Here is what food agencies say.
FDA considers it a dietary supplement. EFSA reviewed for sports use. Widely available.
Here is what research has found.
Studies show improved performance in exercise lasting 1-10 minutes. Increases muscle carnosine levels.
Here are a few things worth knowing.
Causes harmless tingling sensation (paresthesia) in many users. Generally safe. Take in divided doses to reduce tingling.
Sources
- ISSN Position Stand
- EFSA Scientific Opinion
- Amino Acids Journal
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.
v1.0Updated 9/12/2026