Beta Alanine-SR Ingredients & Drug Interactions
by Thorne
What is this page for?
First and foremost: checking Beta Alanine-SR against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Beta Alanine-SR is a dietary supplement by Thorne with 1 active ingredient. Its ingredients are commonly taken for athletic performance and endurance, high-intensity exercise capacity, reducing muscle fatigue.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of Beta Alanine-SR by Thorne
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
Beta Alanine-SR contains one active ingredient: SR CarnoSyn, a form of beta-alanine. Beta-alanine is an amino acid that your body uses to produce carnosine, a compound that may help with muscle performance during exercise.
The tablet also contains inactive ingredients (hypromellose, dicalcium phosphate, corn starch, rice extract, hydroxypropyl cellulose, and silicon dioxide) that serve as binders, fillers, and capsule material.
Does it work?
Moderate evidence
Beta-alanine is possibly effective for athletic performance and physical performance — meaning there's some evidence it may help, but the research isn't definitive yet. For other uses listed (age-related cognitive decline, COPD, general cognitive function, and menopausal symptoms), we don't have enough reliable evidence to say whether it works.
If you're considering this supplement for athletic or physical performance, talk with your doctor about whether it's right for your situation.
How safe is it?
Well-documented data
Beta-alanine is generally well tolerated in healthy adults, but you should know about one very common side effect: harmless skin tingling and flushing (a pins-and-needles feeling). This usually starts on the scalp within 20 minutes of taking a dose, spreads across your body, and lasts about an hour.
The intensity depends on the dose — at lower doses it's very mild or may not happen at all. There isn't enough safety data to know whether this supplement is safe during pregnancy or while breastfeeding, so it's best to avoid it if you're pregnant or nursing.
Talk with your doctor or pharmacist if you're in either situation and considering this product.
Meds to double-check
No known interactions
No interactions are documented for the ingredients we could check in this product. Even so, talk with your pharmacist or doctor before taking it alongside your other medications — they can review your complete medication list and confirm there are no concerns we haven't found yet.
The bottom line
Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. No medication interactions are currently documented, and safety information is well characterized.
Beta Alanine-SR may be worth considering if you're an athlete or active person looking to support physical performance, since the evidence leans toward possibly effective. Just expect some harmless tingling and flushing — it's common and temporary.
Don't use it during pregnancy or breastfeeding without talking to your doctor first. Check with your own healthcare provider before starting to make sure it fits your health picture.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jul 18, 2023.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Beta Alanine-SR, straight from the product label.
| Brand | Thorne |
|---|---|
| Barcode (UPC) | 693749006459 |
| Net contents | 120 Tablet(s) |
| Market status | On market |
| Date entered into DSLD | Jul 18, 2023 |
| DSLD ID | 291773 |
| Product type | Amino Acid/protein |
| Supplement form | Tablet Or Pill |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Beta Alanine-SR by Thorne, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| SR CarnoSyn | 1.6 Gram(s) | -- |
Other ingredients: Hypromellose, Dicalcium Phosphate, Corn Starch, Rice extract, Hydroxypropyl Cellulose, Silicon Dioxide
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation
Muscle/Tendon Sports performance
Gluten free
Sustained-release
Suggested/Recommended/Usage/Directions
Suggested use: Take 2 tablets one to two times daily or as recommended by your health-care practitioner.
Precautions
Tamper evident: Use only if bottle is sealed.
If pregnant, consult your health-care practitioner before using this product.
Storage
Store tightly sealed in a cool, dry place.
Seals/Symbols
Manufactured in the USA using US & imported ingredients
NSF Certified Sport
FDA Statement of Identity
Dietary Supplement
Formula
This product uses CarnoSyn Beta Alanine.
Brand IP Statement(s)
Natural Alternatives International (NAI) is the owner of patents as listed on www.carnosyn.com and registered trademarks CarnoSyn and SR CarnoSyn. CarnoSyn
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Beta Alanine-SR by Thorne label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Beta Alanine-SR by Thorne
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size2 Tablet(s) Dosage formTablet Or Pill Servings per container60 Amounts shown are per serving.
SR CarnoSyn
No knowninteractions
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-int...
SR CarnoSyn monograph & interactionsOther (inactive) ingredients: Hypromellose, Dicalcium Phosphate, Corn Starch, Rice extract, Hydroxypropyl Cellulose, Silicon Dioxide. These complete the product’s ingredient list but are not active constituents.
Beta Alanine-SR by Thorne Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Beta Alanine-SR. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Beta Alanine-SR, from the product label.
Beta Alanine-SR by Thorne: Common Questions
Does Beta Alanine-SR by Thorne interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What's the tingling feeling everyone talks about?
Can I take this while pregnant?
Can I take this while breastfeeding?
Will this help me build muscle?
How often can I take it?
Is there anything else in this tablet besides beta-alanine?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Beta Alanine-SR is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind Beta Alanine-SR’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Beta Alanine-SR's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 13 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Beta-alanine 13 references
- 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.
- 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.
- 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.
- 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
- 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
- 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
- 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
- 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.
- 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.
- 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
- 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
- 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
- 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
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