Key facts
- Buffers muscle acidity during intense effort.
- Helps most in 1–4 minute high-rep efforts.
- Typical dose is 3–5 grams daily.
- Causes harmless tingling (paresthesia).
Beta-alanine raises muscle levels of carnosine, which helps buffer the acid that builds up during hard, sustained effort. By delaying that fatigue, it can improve performance in high-intensity exercise lasting roughly one to four minutes — think higher-rep sets, intervals, or repeated sprints.
It works through daily accumulation, so a consistent 3–5 grams per day matters more than timing it around workouts. A common, harmless side effect is a tingling sensation on the skin (paresthesia), which you can reduce by splitting the dose. Its benefits are real but modest and specific to that high-intensity duration range.
Frequently asked questions
What does beta-alanine do?
It buffers acid build-up in muscles, delaying fatigue in high-intensity efforts lasting roughly 1–4 minutes, such as higher-rep sets and intervals.
Why does beta-alanine make me tingle?
The tingling (paresthesia) is a harmless, well-known side effect. Splitting your daily dose into smaller amounts usually reduces it.
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