L-Carnitine 500 mgnone
Non-Nutrient / Non-BotanicalBrand: GNC
Functions
Net Contents
120 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
0 48107 21129 5
Product Version
CODE 037643 GUG
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.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Milk
- Wheat
- Soy
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Carnitine(L-Carnitine L-Tartrate) | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take one capsule daily.
Warnings & Precautions
Precautions re: Children
Keep out of reach of children.
Storage
Storage
Store in a cool, dry place.
Formulation
Formulation re: Other
Fuels exercise and muscle recovery
Formulation re: Other
Potency verified by GNC procedure #5064. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
Formulation re: Does NOT Contain
No sugar, no artificial colors, no artificial flavors, sodium free, no wheat, gluten free, no corn, no soy, no dairy. GF Gluten Free
FDA Statements
FDA Statement of Identity
Dietary Supplement
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.
Other Label Statements
General Statements: All Other Content
120-day supply
Manufacturer & Distributor
Distributor
General Nutrition Corporation
Pittsburgh, PA, 15222, USA
1-888-462-2548
Market Reference
GNC L-Carnitine
GNC3.7(435)$39.99Beyond Raw Chemistry Labs L-Carnitine
GNC4.6(61)$24.99GNC Acetyl-L-Carnitine 500mg
GNC4.7(11)$25.99NutraBio L-Carnitine
GNC4.8(161)$29.99GNC Total Lean Liquid L-Carnitine
GNC4.1(29)$34.99GNC Acetyl-L-Carnitine Alpha- Lipoic Acid
GNC4.5(17)$29.99Prolab Nutrition L-Carnitine
GNC$19.99GNC Total Lean L-Carnitine 1000 Mg 60 Tablets
GNC4.6(44)$29.99
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.
GNC
4.1 (31)Vitamin & supplements store
209 NJ-73, Marlton, NJ 08053
The Vitamin Shoppe
4.3 (71)Vitamin & supplements store
1490 Nixon Dr, Mt Laurel Township, NJ 08054
Ares Nutrition Mt Laurel NJ
4.8 (42)Vitamin & supplements store
4309 Dearborn Cir, Mt Laurel Township, NJ 08054
Asylum Natural Health and Supplements
5.0 (20)Vitamin & supplements store
201 Kresson - Gibbsboro Rd St 10, Voorhees Township, NJ 08043
WELL ALIMENTS LLC
4.1 (13)Pharmaceutical company
10, 000 Lincoln Dr E #201, Marlton, NJ 08053
Extreme Nutrition
5.0 (49)Vitamin & supplements store
1315 Blackwood-Clementon Rd, Clementon, NJ 08021
Optimal Nutrition
4.9 (198)Vitamin & supplements store
6003 Mansion Blvd, Pennsauken, NJ 08109
Health Haven
4.8 (20)Health food store
69 E Main St, Moorestown, NJ 08057
Research & Studies
Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery
WK Wu, S Panyod, PY Liu, CC Chen, HL Kao… - Microbiome, 2020 - Springer
… A total of 56 healthy volunteers, comprising 33 omnivores and 23 vegetarians, were recruited to receive 500 mg of oral supplementation of carnitine fumarate (GNC™) daily (equals to 2–…
202069 citationsGut microbes with the gbu genes determine TMAO production from L-carnitine intake and serve as a biomarker for precision nutrition
WK Wu, YL Lo, JY Chiu, CL Hsu, IH Lo, S Panyod… - Gut …, 2025 - Taylor & Francis
… three separate cohorts, comprising healthy adults and cardiovascular patients ( Figure 1d ). … The participants in HC1 had daily L-carnitine supplementation (500 mg/tablet, GNC®) for 1 …
202519 citationsThe effect of oral L‐carnitine supplementation on the lipid profiles of hyperlipidaemic children
B Güneş, S Songül Yalçin, HS Kalkanoğlu… - Acta …, 2005 - Wiley Online Library
… of carnitine to be given as supplement was decided as 100 mg/kg/d, divided into two doses per day, with a maximum of 2 g/d (L-carnitine capsule 500 mg® GNC [General Nutrition Corp]…
20058 citationsGut Microbes with the Gbu Gene Cluster Determine Tmao Production from L-Carnitine Intake and Serve as Biomarkers for Precision Nutrition
WK Wu, YL Lo, JY Chiu, CL Hsu, I Lo, S Panyod… - papers.ssrn.com
… The participants in HC1 had daily L-carnitine supplementation (500 mg/tablet, GNC®) for one 173 … cohorts, comprising healthy adults and cardiovascular patients (figure 1D). 279 …
L-carnitine in the treatment of psychiatric and neurological manifestations: a systematic review
W Wang, D Pan, Q Liu, X Chen, S Wang - Nutrients, 2024 - mdpi.com
… : L-carnitine (LC), a vital nutritional supplement, plays a crucial role in myocardial health and … This review summarizes two studies on the effect of L-carnitine supplementation on MD …
202434 citationsCombined Effects of L-Carnitine Supplementation and Exercise on the Body Composition, Serum Lipids and Adiponectin in the High School Obese Female Students
WB Shin, DY Seo, YH Baek - 생명과학회지, 2010 - dbpia.co.kr
… combined effects of L-carnitine supplementation and exercise … groups; exercise and L-carnitine supplementation group (ELG: n=5)… weight and metabolic health risk in american men and …
20103 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-06-24. DSLD Label ID: 227864. 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.
Related Products

01-02-Go
Pure Nootropics

100% Caffeine
MuscleTech

100% Creatine Unflavored
Six Star Pro Nutrition

100% Creatine Unflavored
Six Star Pro Nutrition