Net Contents
100 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
100
Supplement Form
Capsule
Bar Code (UPC/SKU)
0 27434 00111 3
Product Version
2130007.8
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 1 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Arginine(L-Arginine, L-Arginine Hydrochloride) | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Take one capsule daily or as directed by a health care professional.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: If you are pregnant or nursing, taking any medication, or have any medical condition, consult a health care professional before use.
Precautions re: Children
Keep out of reach of children.
Storage
Storage
Keep tightly closed in a cool, dry place.
Formulation
Formulation re: Other
Bottled and packaged in the USA
Formula re: Contains
L-Arginine is an amino acid and a nitric oxide precursor.
Formulation re: Other
Twinlab L-Arginine capsules are easy to swallow.
Formulation re: Does NOT Contain
No artificial colors, flavors, or preservatives added.
Formulation re: Other
Supports nitric oxide production
FDA Statements
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
Twinlab 50 Trusted for 50 years
General Statements: All Other Content
Instagram @Twinlab Facebook TwinlabVitamins
General Statements: All Other Content
New look, same great formula Best if used by date shown on bottle.
Manufacturer & Distributor
Distributor
Twinlab Corporation
Boca Raton, FL, 33431, U.S.A
1-800-645-5626
Market Reference
Twinlab L-Arginine/L-ornith Fuel
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Instacart$67570.00Twinlab Test Fuel
eBay - adealsadeal2024$55.00Beyond Raw Chemistry Labs L-Arginine 30 Servings
GNC4.6(38)$24.99Twinlab Amino Fuel Liquid
eBay - supps4swolebros4.8(25)$29.99L-Arginine Pro Pack Jars
Walmart - Rockbottom Prices$39.88L-Arginine Sustained Release Exclusive
ThorneVet$44.00
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Aphro-D
4.9 (82)Vitamin & Supplements Shop
27 Old Gloucester St, London WC1N 3AF
Prodentim
5.0 (1)Vitamin & Supplements Shop
72 Regent St., London W1B 4EN
Holland & Barrett - Strand
3.7 (51)Vitamin & Supplements Shop
406-408 Strand, London WC2R 0NE
Nutriburst
4.6 (30)Manufacturer
8 Waterloo Pl, London SW1Y 4BN
Nutrapad Ltd –Pharmacy-friendly, Hydration, Immunity & Wellness Support - oxford street
5.0 (4)Vitamin & Supplements Shop
41 Bloomsbury Way, London WC1A 2SA
ITL Health
5.0 (37)Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Protiv Nutrition
5.0 (1)Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
Minerva Wellness
5.0 (21)Vitamin & Supplements Shop
71-75 Shelton St, London WC2H 9JQ
Research & Studies
High‐intensity interval training and essential amino acid supplementation: Effects on muscle characteristics and whole‐body protein turnover
KR Hirsch, CE Greenwalt, HE Saylor… - Physiological …, 2021 - Wiley Online Library
… maintaining muscular health in a variety of populations. Therefore, the purpose of this study was to compare the independent and combined effects of HIIT and EAA supplementation on …
202130 citationsThe effect of L-arginine and creatine on vascular function and homocysteine metabolism
E Jahangir, JA Vita, D Handy, M Holbrook… - Vascular …, 2009 - journals.sagepub.com
… in patients with coronary artery disease on medical management. Circulation 2000; 101: 2126-2129. 11 Wilson AM, Harada R, Nair N, Balasubramanian N, Cooke JP. …
2009100 citations… suggests that L-arginine supplementation affects microbial activity resulting in a decrease in trimethylamine N-oxide—A randomized controlled trial in healthy …
L Dimina, M Tremblay-Franco, A Deveaux… - Current Developments …, 2023 - Elsevier
… The effects of supplementation with L-arginine (L-arg), the precursor of nitric oxide (NO), on vascular and cardiometabolic health have largely been explored. Whether other …
20234 citationsL-Arginine Supplementation Did Not Impact the Rapid Recovery of Cardiovascular and Autonomic Function Following Exercise in Physically Active Healthy …
AA Porto, LA Gonzaga, F Ribeiro, CM de Oliveira… - Nutrients, 2024 - mdpi.com
… [20] specifically evaluated L-arginine’s influence on recovery … L-arginine supplementation might not provide the expected benefits. In addition, other studies have explored L-arginine’s …
20243 citationsHeart Health Refresh
T Person - wholefoodsmagazine.com
… According to Gene Bruno, MS, MHS, director of category management for Twinlab … B12 and folic acid, as well as l-arginine, can benefit heart health. Specifically, it can favorably alter the …
Metabolic effects of high-intensity interval training and essential amino acids
KR Hirsch, CE Greenwalt, HE Cabre… - … Journal of Applied …, 2021 - search.proquest.com
… if they: (1) had current and/or history of cardiometabolic disease or any medical or … All participants provided written informed consent, completed a health history questionnaire to confirm …
202118 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-06-16. DSLD Label ID: 268467. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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