NSTK · 01.2026Independent supplement reference
NutriStack
Edition 1.0Updated July 13, 2026

Beta-Alanine

Amino Acid ·Exploratory record · not publication-reviewed ·Updated July 13, 2026

Precursor to carnosine, buffering muscle acidity during high-intensity exercise.

Publication status

Exploratory record, not a reviewed medical publication.

See the editorial and medical-review policies for the publication gate.

This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.

In short

What the research says.

A quick, data-only summary. The full evidence, dosing, and sources are below.

Beta-Alanine is an amino acid most often used for exercise endurance, muscle buffering, performance. NutriStack rates the overall evidence as strong. A typical adult dose is 3.2-6.4 g daily (split doses), commonly taken as beta-alanine powder (sustained-release to reduce tingling). This profile indexes 15 sources.

What it's good for
  • Exercise endurance1,4
  • Muscle buffering7
  • Performance1,2
What to watch for
  • Paresthesia (tingling, harmless)
  • Flushing
  • Generally very safe9

The bottom line

Evidence rating strong. Most-documented uses: exercise endurance, muscle buffering, performance. 15 sources indexed (2012–2025), with 0 interaction records on file.

The science

How it works, mechanistically.

Core mechanism

Combines with histidine in muscle to form carnosine. Carnosine buffers H+ ions during intense exercise, delaying muscle fatigue and the burning sensation.7,12

Class
Non-Proteinogenic Amino Acid
Found in food
Meat, Poultry, Fish
Low-status signs
Not essential
Dosing

Dosing & protocol.

Common range
3.2-6.4 g daily (split doses)
Recommended form
Beta-Alanine powder (sustained-release to reduce tingling)

Split throughout day to minimize paresthesia9,1

Cost

What it actually costs.

Real-world pricing across three quality tiers. Assumes Beta-Alanine Powder.

BudgetBest value
$4.50 /mo
$0.15 per dose
Mid
$9.00 /mo
$0.30 per dose
Premium
$16.50 /mo
$0.55 per dose

Assumes 3.2-6.4 g/day. Vendor basis: BulkSupplements powder, NOW Sports/iHerb, Vitacost, and Amazon marketplace; sustained-release tablets cost more. Updated 2026-05-28.

From food

The same dose, as food.

How much you'd eat to match a supplemental dose.

3.2-6.4 g beta-alanine
About 1-2 pounds chicken or turkey, 1-2 pounds beef, several large servings of pork, or multiple servings of fish would be needed to approach the daily supplement range through carnosine-containing foods.

Meat provides beta-alanine mostly as carnosine or anserine; supplement doses are much more concentrated.

Safety

Full safety detail.

Side effects

  • Paresthesia (tingling, harmless)
  • Flushing

Contraindications

  • Generally very safe9
Sources

Sources, by evidence tier.

Numbered references. Citations throughout the page link here.

Meta-analyses & systematic reviews

11

Randomized controlled trials

1

Reviews & position papers

1
  • 13International society of sports nutrition position stand: Beta-AlaninePMIDTrexler ET et al. · Journal of the International Society of Sports Nutrition · 2015

    Daily supplementation with 4-6 g beta-alanine for 2-4+ weeks improves exercise performance, especially in open-endpoint tasks lasting 1-4 minutes; only reported side effect is transient paresthesia.

FAQ

Common questions.

Quick answers about Beta-Alanine, drawn from the data on this page.

What is Beta-Alanine?

Precursor to carnosine, buffering muscle acidity during high-intensity exercise.

What is Beta-Alanine used for?

Commonly cited benefits of Beta-Alanine include: Exercise endurance; Muscle buffering; Performance. NutriStack rates the overall evidence as strong.

What is a typical dose of Beta-Alanine?

A typical adult dose of Beta-Alanine is 3.2-6.4 g daily (split doses). The commonly recommended form is Beta-Alanine powder (sustained-release to reduce tingling). These are general ranges, not personalized advice; confirm the right dose with a clinician.

What are the side effects of Beta-Alanine?

Reported side effects include paresthesia (tingling, harmless), flushing. This is educational information; check with a healthcare professional before use.

How strong is the evidence for Beta-Alanine?

NutriStack rates this as Strong, meaning multiple high-quality meta-analyses or systematic reviews converge on the same finding. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.

Use this with your stack

Beta-Alanine in NutriStack.

Add it to your stack, see how it interacts with everything else you take, and get a Stack Score that updates the moment it does.

NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.