Herb & supplement monograph

Beta-alanine Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by ·Updated July 2026
What is this page for?

First and foremost: how Beta-alanine interacts with medications. The heart of this page is the interaction list — every drug Beta-alanine is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Beta-alanine is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

Check Beta-alanine against your medication

Add one medication
Beta-alanine
+
Start typing any prescription or over-the-counter drug name.
Reviewed by licensed pharmacists Sourced from Natural Medicines
On this page
Interaction report

Drugs that interact with Beta-alanine

0 medications have a known interaction with Beta-alanine, graded by severity. Select any drug for the full evidence-based detail.

We don’t currently list any known drug interactions for Beta-alanine. This doesn’t guarantee none exist — always confirm with your pharmacist before combining supplements with your medications.

Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each drug listed above links to the full report for that exact Beta-alanine combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
Monograph

Beta-alanine: Uses, Safety & Side Effects

Medically reviewed by · Reviewed July 2026 ·
The bottom line

Beta-alanine is an amino acid taken mostly by athletes to raise muscle carnosine, which may help buffer acid and reduce fatigue during short, high-intensity exercise. The evidence is moderate for performance in certain activities, but harmless tingling of the skin is common, and it is not well studied for pregnancy or any medical condition.

Part used
Non-essential amino acid (made in the body and found in meat, poultry, and fish)
Common forms
Capsules, tablets, powder, pre-workout blends, sustained-release tablets
People commonly use it for
  • Athletic performance and endurance
  • High-intensity exercise capacity
  • Reducing muscle fatigue
  • Building muscle carnosine levels

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance
OverallUse caution

Generally well tolerated in healthy adults, but it commonly causes harmless skin tingling and is not studied for long-term high doses.

PregnancyInsufficient reliable information

Insufficient reliable information available; avoid using in medicinal amounts.

Read the full pregnancy detail
BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using in medicinal amounts.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Jump to a section

Overview

Beta-alanine is a naturally occurring amino acid. Unlike most amino acids, it is not used to build proteins. Instead, your body uses it together with another amino acid (histidine) to make a compound called carnosine, which is stored in your muscles.

You get small amounts of beta-alanine from foods like meat, poultry, and fish. Your body can also make some on its own. As a supplement, it is most popular among athletes, bodybuilders, and gym-goers and is often found in pre-workout powders and capsules.

How it works

When you take beta-alanine over several weeks, it combines with histidine inside your muscles to increase levels of carnosine. Carnosine acts as a buffer, helping to soak up some of the acid (hydrogen ions) that builds up during hard exercise.

Because acid buildup is one reason muscles get tired and "burn" during intense effort, higher carnosine levels may let you push a little harder or longer before fatigue sets in. The supply of beta-alanine is thought to be the limiting step in making carnosine, which is why supplementing may raise these stores.

This mechanism is supported by human muscle studies, but the size of the real-world benefit varies from person to person.

Effectiveness

Does Beta-alanine work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by .

Evidence overview · 9 uses evaluated
2 Possibly effective 7 Insufficient evidence
How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.
2Likely EffectiveGood evidence, though not yet conclusive.
3Possibly EffectiveSome evidence suggests a benefit.
4Possibly IneffectiveSome evidence it may not help.
5Likely IneffectiveFairly strong evidence it doesn’t help.
6IneffectiveStrong evidence it doesn’t work.
7Insufficient Reliable Evidence to RateToo little research to say either way.
Possibly Effective Athletic performance
Rating & evidence shown verbatim from Natural Medicines

In some adults, taking beta-alanine appears to improve some, but not all, measures of athletic performance. Beta-alanine appears to work better for exercises that lasts at least 1 minute in duration; however, many other factors likely alter efficacy, such as the type of exercise, the subject's training experience, and the dosing regimen.

Possibly Effective Physical performance
Rating & evidence shown verbatim from Natural Medicines

Preliminary clinical research shows that taking beta-alanine improves exercise capacity and fatigue, but not strength or exercise performance, in older adults.

Also studied for 7 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Age-related cognitive decline
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral beta-alanine is beneficial for cognitive decline in older adults.

Insufficient Reliable Evidence To Rate Chronic obstructive pulmonary disease (COPD)
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral beta-alanine improves physical function in people with COPD.

Insufficient Reliable Evidence To Rate Cognitive function
Rating & evidence shown verbatim from Natural Medicines

Oral beta-alanine has only been evaluated in combination with other ingredients; its effect when used alone is unclear.

Insufficient Reliable Evidence To Rate Exercise-induced muscle breakdown
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral beta-alanine improves muscle recovery after exercise.

Insufficient Reliable Evidence To Rate Menopausal symptoms
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral beta-alanine for menopausal symptoms, there is insufficient reliable information about the clinical effects of beta-alanine for this purpose.

Insufficient Reliable Evidence To Rate Obesity
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral beta-alanine improves body composition in adults.

Insufficient Reliable Evidence To Rate Sarcopenia
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral beta-alanine for sarcopenia, there is insufficient reliable information about the clinical effects of beta-alanine for this purpose.

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

For healthy adults, beta-alanine appears generally well tolerated when used in typical amounts for several weeks to a few months. The most common effect is a harmless tingling or prickling feeling of the skin (see Side effects).

People with kidney problems or other chronic health conditions should talk to a doctor or pharmacist before using it, since long-term safety and effects in these groups are not well studied. Children and teens have not been well studied either.

Pregnancy and breastfeeding: There is not enough reliable safety information. Because of this, it is best to avoid beta-alanine supplements during pregnancy and while breastfeeding unless your doctor advises otherwise.

Side effects

The most common side effect is paresthesia — a tingling, flushing, or prickling sensation, usually felt on the face, neck, scalp, or hands. It typically starts within minutes of taking a dose and fades on its own. It is considered harmless. Taking smaller divided doses or using sustained-release tablets often reduces this feeling.

Some people report mild stomach upset. Serious side effects have not been clearly reported in healthy users, but long-term, high-dose use has not been thoroughly studied.

Beta-alanine: Reported Adverse Effects

Documented safety reports on Beta-alanine from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.

Orally, beta-alanine seems to be generally well tolerated.

Most Common Adverse Effects:

Orally: Flushing, paresthesia.

Reports by condition
Myasthenia gravis Neurologic/CNS

Orally, beta-alanine can cause a dose-dependent feeling of pins and needles (paresthesias) along with skin flushing. This generally starts on the scalp within 20 minutes of the dose, spreading to most of the body, and lasting for about an hour. This was described as severe at a dose of 40 mg/kg, tolerable at a dose of 20 mg/kg, and very mild at a dose of 10 mg/kg. At the lowest dose it only occurred in 25% of subjects. In some studies, beta-alanine has been given as frequently as 8 times per day so that each dose can be kept below 10 mg/kg. Other clinical research shows that taking beta-alanine in a tablet formulation eliminates the presence of parasthesias at a dose of 1.6 grams when compared with a solution made from powdered beta-alanine. This effect may be due to delayed absorption. Although paresthesias still occur with sustained-release formulations, their presence is less frequent when compared with immediate-release formulations.

  1. Harris RC, Tallon MJ, Dunnett M, et al. The absorption of orally supplied beta-alanine and its effect on muscle carnosine synthesis in human vastus lateralis. Amino Acids 2006;30:279-89.
  2. Bellinger PM, Minahan CL. The effect of ß-alanine supplementation on cycling time trials of different length. Eur J Sport Sci 2016;16(7):829-36.
  3. Chung W, Shaw G, Anderson ME, et al. Effect of 10 week beta-alanine supplementation on competition and training performance in elite swimmers. Nutrients 2012;4(10):1441-53.
  4. Glenn JM, Gray M, Stewart R, et al. Incremental effects of 28 days of beta-alanine supplementation on high-intensity cycling performance and blood lactate in masters female cyclists. Amino Acids 2015;47(12):2593-600.
  5. Gross M, Bieri K, Hoppeler H, Norman B, Vogt M. Beta-alanine supplementation improves jumping power and affects severe-intensity performance in professional alpine skiers. Int J Sport Nutr Exerc Metab 2014;24(6):665-73.
  6. Howe ST, Bellinger PM, Driller MW, Shing CM, Fell JW. The effect of beta-alanine supplementation on isokinetic force and cycling performance in highly trained cyclists. Int J Sport Nutr Exerc Metab 2013;23(6):562-70.
  7. Sweeney KM, Wright GA, Glenn Brice A, Doberstein ST. The effect of beta-alanine supplementation on power performance during repeated sprint activity. J Strength Cond Res 2010;24(1):79-87.
  8. da Silva RP, de Oliveira LF, Saunders B, et al. Effects of ß-alanine and sodium bicarbonate supplementation on the estimated energy system contribution during high-intensity intermittent exercise. Amino Acids. 2019;51(1):83-96.
  9. Varanoske AN, Hoffman JR, Church DD, et al. Comparison of sustained-release and rapid-release ß-alanine formulations on changes in skeletal muscle carnosine and histidine content and isometric performance following a muscle-damaging protocol. Amino Acids.
  10. Perim P, Gobbi N, Duarte B, et al. Beta-alanine did not improve high-intensity performance throughout simulated road cycling. Eur J Sport Sci 2021.
  11. Hill CA, Harris RC, Kim HJ, et al. Influence of beta-alanine supplementation on skeletal muscle carnosine concentrations and high intensity cycling capacity. Amino Acids 2007;32:225-33.
  12. Décombaz J, Beaumont M, Vuichoud J, Bouisset F, Stellingwerff T. Effect of slow-release ß-alanine tablets on absorption kinetics and paresthesia. Amino Acids 2012;43(1):67-76. Erratum in: Amino Acids 2013;45(4):1015.
  13. Stellingwerff T, Anwander H, Egger A, et al. Effect of two ß-alanine dosing protocols on muscle carnosine synthesis and washout. Amino Acids 2012;42(6):2461-72.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

Adverse-effects data: Natural Medicines, Therapeutic Research Center

Dosing

There is no official medical dose for beta-alanine, and the right amount depends on the product and your goals. Many supplements come as powders or capsules, sometimes as sustained-release tablets meant to reduce tingling.

Beta-alanine usually needs to be taken consistently for several weeks before muscle carnosine builds up enough to matter — a single dose before a workout does not provide much benefit. Splitting the daily amount into smaller doses through the day can help lower the tingling sensation.

Always follow the directions on the product label, and check with a pharmacist or doctor before starting, especially if you have a health condition or take other medicines.

Pregnancy & Breastfeeding

Beta-alanine & Pregnancy

Insufficient reliable information

Insufficient reliable information available; avoid using in medicinal amounts.

Beta-alanine & Breastfeeding

Insufficient reliable information

Insufficient reliable information available; avoid using in medicinal amounts.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 2026 Therapeutic Research Center

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 13 references that drive our Beta-alanine monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Harris RC, Tallon MJ, Dunnett M, et al. The absorption of orally supplied beta-alanine and its effect on muscle carnosine synthesis in human vastus lateralis. Amino Acids 2006;30:279-89.
  2. Hill CA, Harris RC, Kim HJ, et al. Influence of beta-alanine supplementation on skeletal muscle carnosine concentrations and high intensity cycling capacity. Amino Acids 2007;32:225-33.
  3. Bellinger PM, Minahan CL. The effect of ß-alanine supplementation on cycling time trials of different length. Eur J Sport Sci 2016;16(7):829-36.
  4. Chung W, Shaw G, Anderson ME, et al. Effect of 10 week beta-alanine supplementation on competition and training performance in elite swimmers. Nutrients 2012;4(10):1441-53. PubMed
  5. Glenn JM, Gray M, Stewart R, et al. Incremental effects of 28 days of beta-alanine supplementation on high-intensity cycling performance and blood lactate in masters female cyclists. Amino Acids 2015;47(12):2593-600. PubMed
  6. Gross M, Bieri K, Hoppeler H, Norman B, Vogt M. Beta-alanine supplementation improves jumping power and affects severe-intensity performance in professional alpine skiers. Int J Sport Nutr Exerc Metab 2014;24(6):665-73. PubMed
  7. Howe ST, Bellinger PM, Driller MW, Shing CM, Fell JW. The effect of beta-alanine supplementation on isokinetic force and cycling performance in highly trained cyclists. Int J Sport Nutr Exerc Metab 2013;23(6):562-70. PubMed
  8. Sweeney KM, Wright GA, Glenn Brice A, Doberstein ST. The effect of beta-alanine supplementation on power performance during repeated sprint activity. J Strength Cond Res 2010;24(1):79-87.
  9. Décombaz J, Beaumont M, Vuichoud J, Bouisset F, Stellingwerff T. Effect of slow-release ß-alanine tablets on absorption kinetics and paresthesia. Amino Acids 2012;43(1):67-76. Erratum in: Amino Acids 2013;45(4):1015.
  10. Stellingwerff T, Anwander H, Egger A, et al. Effect of two ß-alanine dosing protocols on muscle carnosine synthesis and washout. Amino Acids 2012;42(6):2461-72. PubMed
  11. da Silva RP, de Oliveira LF, Saunders B, et al. Effects of ß-alanine and sodium bicarbonate supplementation on the estimated energy system contribution during high-intensity intermittent exercise. Amino Acids. 2019;51(1):83-96. PubMed
  12. Varanoske AN, Hoffman JR, Church DD, et al. Comparison of sustained-release and rapid-release ß-alanine formulations on changes in skeletal muscle carnosine and histidine content and isometric performance following a muscle-damaging protocol. Amino Acids. PubMed
  13. Perim P, Gobbi N, Duarte B, et al. Beta-alanine did not improve high-intensity performance throughout simulated road cycling. Eur J Sport Sci 2021. PubMed
Keep reading

This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Brand directory

Brands that make products with Beta-alanine

561 brands in our database make a supplement containing Beta-alanine.

Product directory

Supplement products with Beta-alanine

3,779 products in our database contain Beta-alanine. Open any to see its full ingredient list and every drug interaction we check.

.30-06 by Micronamin Capsule 120 Capsule(s) View ingredients & interactions #M6Teen Cherry by DY Nutrition Liquid 60 mL View ingredients & interactions #Shatter SX-7 Black Onyx Fruit Punch Explosion by MuscleTech Powder 12.15 Oz(s) · 345 Gram(s) View ingredients & interactions #Shatter SX-7 Black Onyx Icy Rocket Freeze by MuscleTech Powder 12.2 oz. · 346 Gram(s) View ingredients & interactions #Shatter SX-7 Black Onyx Neuro Watermelon Fusion by MuscleTech Powder 11.31 oz. · 321 Gram(s) View ingredients & interactions #Shatter SX-7 Black Onyx Ripped Cherry Limeade Twist by MuscleTech Powder 16.79 oz. · 476 Gram(s) View ingredients & interactions #Shatter SX-7 Blue Raspberry Explosion by MuscleTech Powder 6.12 oz. · 174 Gram(s) View ingredients & interactions #Shatter SX-7 Blue Raspberry Explosion by MuscleTech Powder 10.27 oz. · 291 Gram(s) View ingredients & interactions #Shatter SX-7 Fruit Punch Blast by MuscleTech Powder 10.27 oz. · 291 Gram(s) View ingredients & interactions #Shatter SX-7 Fruit Punch Blast by MuscleTech Powder 6.12 oz. · 174 Gram(s) View ingredients & interactions #Shatter SX-7 Icy Pink Lemonade by MuscleTech Powder 6.12 oz. · 174 Gram(s) View ingredients & interactions #Shatter SX-7 Icy Pink Lemonade by MuscleTech Powder 10.27 oz. · 291 Gram(s) View ingredients & interactions #Shatter SX-7 Watermelon Fusion by MuscleTech Powder 6.12 oz. · 174 Gram(s) View ingredients & interactions #Shatter SX-7 Watermelon Fusion by MuscleTech Powder 10.27 oz. · 291 Gram(s) View ingredients & interactions 1,3D Nox Icy Cherry by Total Body Nutrition Powder 225 Gram(s) View ingredients & interactions 1.M.R Blue Raspberry by BPI Powder 7.9 oz. · 224 g View ingredients & interactions 1.M.R Blue Raspberry by BPI Powder 4.9 oz. · 140 Gram(s) View ingredients & interactions 1.M.R Fruit Punch by BPI Powder 4.9 oz. · 140 g View ingredients & interactions 1.M.R Fruit Punch by BPI Powder 7.9 oz. · 224 g View ingredients & interactions 1.M.R Lemon Lime by BPI Powder 7.9 oz. · 224 g View ingredients & interactions 1.M.R Orange by BPI Powder 7.9 oz. · 224 g View ingredients & interactions 1.M.R Pink Lemonade by BPI Powder 7.9 oz. · 224 g View ingredients & interactions 1.M.R Pink Lemonade by BPI Powder 4.9 oz. · 140 g View ingredients & interactions 1.M.R Watermelon by BPI Powder 6 oz. · 170 Gram(s) View ingredients & interactions
Pharmacist Counseling Corner

Beta-alanine: Common Questions

What is Beta-alanine used for, and does it work?
People use Beta-alanine for many reasons, but the evidence varies by use. According to the Natural Medicines database, there is at least some clinical evidence supporting Beta-alanine for Athletic performance and Physical performance. For most other uses it has been studied for, the evidence is currently insufficient to rate. See the graded list on this page, and always confirm with your pharmacist or doctor.
Does Beta-alanine interact with prescription medications?
We do not currently list any known drug interactions for Beta-alanine. This does not guarantee that none exist, so always confirm with your pharmacist before combining it with your medications.
How are Beta-alanine interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Beta-alanine with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Beta-alanine interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What is Beta-alanine used for?
It is most often used by athletes and gym-goers to try to improve performance and reduce fatigue during short, high-intensity exercise by raising muscle carnosine levels.
Why does Beta-alanine make my skin tingle?
The tingling, called paresthesia, is a common and harmless effect caused by Beta-alanine interacting with nerves in the skin. It usually goes away within an hour, and smaller or slow-release doses can reduce it.
How long does it take to work?
Beta-alanine works gradually by building up carnosine in your muscles, so it usually needs to be taken steadily for several weeks rather than just before a single workout.
Is Beta-alanine safe during pregnancy or breastfeeding?
There isn't enough reliable safety information, so it is best to avoid Beta-alanine supplements during pregnancy and breastfeeding unless your doctor specifically recommends them.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Keep exploring

Products that contain Beta-alanine

A rotating sample of real supplements in our database that list Beta-alanine — open any to see its full ingredients and every drug interaction we check.

See all 3,779 products with Beta-alanine →
Where next
Supplement interaction checkerCheck any supplement or product against your medications Drug–drug interactionsCheck two or more of your medications against each other Browse medications A–ZEvery drug we’ve checked against herbs & supplements NDC & pricing lookupFind a drug’s NDCs, packaging and costs Ask a pharmacistFree, personal answer from our licensed team

Have a question about Beta-alanine?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist