Beta-Alanine
Buffers muscle acid buildup during hard efforts. The tingling on your skin is harmless.
Beta-alanine is a non-essential amino acid that combines with histidine inside muscle cells to form carnosine, a buffer that neutralises acid buildup during high-intensity effort lasting one to four minutes. The best-supported evidence applies to short-duration endurance exercise, where trained users see meaningful gains at 3-6g a day taken over several weeks; a single dose does very little on its own, because the effect depends on saturating muscle carnosine over time. The tingling many people feel on their scalp, ears, or hands after a dose is called paraesthesia — it's the compound activating sensory nerves briefly rather than a reaction to worry about, and sustained-release formulas or split dosing reduce it if it bothers you. CarnoSyn is the standardised branded form most trials use.
Reference values
Daily reference values from official nutrition authorities. These are population reference figures, not personal recommendations.
| RDA | Upper limit | Source |
|---|---|---|
| 3200 mg | 6400 mg | UK |
Forms and bioavailability
Not all forms are absorbed equally. The form on your supplement label affects how much your body can actually use.
| Form | Absorption | With food | Timing | Evidence |
|---|---|---|---|---|
| beta-alanine (free form) | Typical | With food | Either | Strong |
| beta-alanine sustained release | Typical | With food | Either | Likely |
| CarnoSyn beta-alanine | Typical | With food | Either | Strong |
How it pairs with other supplements
Works well with
Distinct ergogenic mechanisms: citrulline (NO-mediated blood flow) + beta-alanine (carnosine buffering) cover both oxygen delivery and acid buffering.
Stack Almanac tracks which beta-alanine form and daily total you're on, since the tingling often gets misattributed to allergies or bad batches when the answer is usually just a larger single dose than needed.
Track your Beta-Alanine in Stack Almanac
Last reviewed: 2026-07-22. Reference values are adult-general RDAs from UK. Individual needs may vary. This page is for informational purposes only and is not a substitute for professional medical advice.