L-Carnitine 500 mg®
Non-Nutrient / Non-BotanicalBrand: GNC Pro Performance
Functions
Net Contents
60 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
Not specified
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 48107 16906 0
Product Version
CODE 987412 DRG
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 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Carnitine(L-Canitine Fumarate) | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take one tablet daily on an empty stomach.
Warnings & Precautions
Precautions re: Children
Keep out of reach of children.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Contains
Pro Performance L-Carnitine provides 500 mg of this important nutrient per pill.
Formulation re: Does NOT Contain
No sugar, no artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, no soy, no dairy, yeast free.
Formula re: Contains
500mg L-Carnitine
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
General Statements: All Other Content
Potency verified by GNC procedure #5064. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
General Statements: All Other Content
Facilitates muscle recovery
General: Product/Version Code
CODE 987412 DRG
Brand IP Statement(s) re: (c), (TM), (SM)
Pro Performance Results
Seals/Symbols
GF Gluten free
General Statements: All Other Content
L-Carnitine is a popular amino acid amoung bodybuilders, weight trainers and serious athletes because of its role in facilitating the metabolism of long chain fatty acids.
Manufacturer & Distributor
Distributor
General Nutrition Corporation
Pittsburgh, PA, 15222, USA
1-888-462-2548
Market Reference
GNC L-Carnitine
GNC4.6(22)$39.99GNC Pro Performance L-Carnitine 60 Tablets
eBay - spiritbird714.9(19)$11.39LowestGNC Acetyl-L-Carnitine 500mg 60 Capsules
GNC4.6(8)$25.99GNC Acetyl-L-Carnitine Alpha- Lipoic Acid
GNC4.5(25)$29.99GNC Pro Performance L-Carnitine Tablets
eBay - nutritionshop_483.5(357)$45.69GNC Total Lean Cla + Carnitine Berry Sorbet 13.12 Oz. 60 Servings
GNC4.5(30)$34.99Gnc L Carnitine 500mg Supplement, Supports Muscle Recovery, 120
eBay - brixtondepot5.0(1)$66.99Codeage Liposomal Acetyl L-Carnitine+
GNC4.8(399)$34.99
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.
RightNutri
4.9 (78)Vitamin & Supplements Shop
26 Queenstown Rd, London SW8 3RX
Love Life Supplements
4.8 (87)Vitamin & Supplements Shop
wellington house, East Rd, Petersfield, Cambridge CB1 1BH
ITL Health
5.0 (37)Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Fitandfat
5.0 (321)Vitamin & Supplements Shop
Inside the post office, 187 Uxbridge Rd, London W13 9AJ
London Supplements
3.7 (84)Vitamin & Supplements Shop
13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR
British Supplements
3.4 (275)Vitamin & Supplements Shop
34, New House, 67-68 Hatton Garden, London EC1N 8JY
LA Muscle UK
4.8 (917)Vitamin & Supplements Shop
Oliver business park, London NW10 7XW
Supplemented
4.7 (192)Vitamin & Supplements Shop
Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH
Research & Studies
Long-term glycine propionyl-l-carnitine supplemention and paradoxical effects on repeated anaerobic sprint performance
PL Jacobs, ER Goldstein - Journal of the International Society of …, 2010 - Taylor & Francis
… dietary supplement to enhance anaerobic work capacity and potentially sport performance, … Ta Health Sciences, SpA, Rome, Italy), a molecularly bonded form of glycine and propionyl-…
201039 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 citationsEffect of glycine propionyl-L-carnitine on aerobic and anaerobic exercise performance
WA Smith, AC Fry, LC Tschume… - … journal of sport …, 2008 - journals.humankinetics.com
… -Lcarnitine (GPLC) supplementation and endurance training for 8 wk on aerobicand anaerobic-exercise performance in healthy … 3 g/day (~166 or 500 mg PLC per capsule, …
200887 citationsClinical effects of L-carnitine supplementation on physical performance in healthy subjects, the key to success in rehabilitation: a systematic review and meta …
M Vecchio, R Chiaramonte, G Testa… - Journal of functional …, 2021 - mdpi.com
… L-carnitine supplementation in healthy subjects (Table 1). In all of the studies, the participants were healthy … disorders were excluded, but healthy overweight individuals were included. …
202145 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
… L-carnitine supplementation and plant-based diet treatment in … L-carnitine supplementation (500 mg/tablet, GNC®) for one 173 … cohorts, comprising healthy adults and cardiovascular …
Earth Medicine
P Andersen-Parrado - Better Nutrition, 1999 - books.google.com
… health professionals debate the merits of sports supplements … Normal use: 250-500 mg/day; in rigorous athletic regimens, 2… interfere with the normal function of L-Carnitine in the body …
1999
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-01-25. DSLD Label ID: 69393. 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