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Best L-Carnitine Fumarate®

Other Combinations

Brand: Doctor's Best

CapsuleOther CombinationsOff Market
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Net Contents

180 Veggie Cap(s)

Serving Size

1–4 Capsule(s)

Servings Per Container

180

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 53950 00154 1

Product Version

R 07/13

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2Dietary Attributes

Label states: Vegan, Vegetarian.

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: 1–4 Capsule(s) · 1 per day

IngredientAmount Per Serving
L-Carnitine Fumarate855 mg—
yielding 500 mg L-Carnitine500 mg—

Not Present

Other Ingredients

Magnesium StearateSilicon DioxideModified Cellulose

Target Groups

VeganVegetarianAdult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Adult Use: Take 1 to 4 capsules daily, with or without food.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Individuals with thyroid problems or on anticoagulant therapy should consult their physician before using this product.

Formulation

Formula re: Contains

The L-Carnitine Fumarate in this product is derived from a base of pharmaceutical grade L-Carnitine manufactured by a patented, FDA- approved process. It is GMO-free, pesticide-free, and BSE free.

Formulation re: Does NOT Contain

The L-Carnitine Fumarate in this product is derived from a base of pharmaceutical grade L-Carnitine manufactured by a patented, FDA- approved process. It is GMO-free, pesticide-free, and BSE free.

Formula re: Contains

Featuring Italian-made Carnitine from sigma-tau HealthScience

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: Product/Version Code

R 07/13

General Statements: All Other Content

L-carnitine is a nutrient that promotes energy production in cells by transporting fatty acids into the mitochondrion, an intracellular structure that generates metabolic energy in the form of ATP.* In this role, L-carnitine helps the body efficiently metabolize fat.* Fumarate is a naturally occurring compound in the body. Fumarate serves as an intermediate in the Krebs cycle, a key energy-producing process that takes place in the mitochondrion.*

General Statements: All Other Content

Helps the body burn fat for energy* Helps maintain normal cardiovascular health*

Brand IP Statement(s) re: (c), (TM), (SM)

Science-Based Nutrition(TM)

Seals/Symbols

sigma-tau HealthScience Food and Beverage Ingredients Division

Seals/Symbols

BIOSINTCARNITINES(TM)

General Statements: All Other Content

Scan for more info {QR Code}

General Statements: All Other Content

HELPS BURN BODY FAT*

Seals/Symbols

Vegan(TM)

Brand IP Statement(s) re: (c), (TM), (SM)

L-Carnitine Fumarate Patent # 4602039

General Statements: All Other Content

CONTAINS NOTHING OTHER THAN LISTED INGREDIENTS

Manufacturer & Distributor

Distributor

Doctor's Best, Inc.

San Clemente, CA, 92673

(800) 777-2474

Market Reference

$22.99 – $99.99· 15 listings

  • Doctor's Best L-Carnitine Fumarate

    Health Delivery4.7(1900)
    $41.00

  • Doctor's Best L-Carnitine Fumarate with Sigma Tau

    Shipman's Pharmacy
    $55.87

  • doctor's best l carnitine fumarate Doctor's Best L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60

    ATEurope
    $24.41

  • L-Carnitine Fumarate Pure Encapsulations

    Pure Prescriptions4.9(9)
    $88.00

  • Doctor's Best Acetyl-L-Carnitine Capsules

    iHerb4.8(1200)
    $22.99Lowest

  • Doctor's Best L-Carnitine Fumarate with Biosint Carnitines

    Instacart
    $45.39

  • Doctor's Best L-Carnitine Fumarate 855 mg - 60 Vcaps Energy & Endurance Booster for Fitness and Health

    GoSupps.com4.7(1900)
    $74.99

  • Doctor's Best L-Carnitine Fumarate 855mg - 60 Vegetable Capsules - Support for Energy and Vitality

    GoSupps.com4.7(1300)
    $94.99

Where to Buy Locally

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Research & Studies

  • Role of carnitine in disease.

    JL Flanagan, PA Simmons, J Vehige… - Nutrition & …, 2010 - peirsoncenter.com

    … bioavailability of Lcarnitine varies due to dietary composition. Bioavailability of L-carnitine in … healthy controls [162]. Corrales and colleagues [155] showed that osmoprotectants such as …

    2010883 citations

  • L-Carnitine

    GD AZ, DI Checker, PL Tool - rxlist.com

    … is LIKELY SAFE when taken by mouth for up to 12 months, and when used as an injection, with the approval of a healthcare provider. It can cause side effects such as nausea, vomiting, …

  • Comparison of 3-and 6-month outcomes of combined oral L-carnitine fumarate and acetyl-L-carnitine therapy, included in an antioxidant formulation, in patients with …

    M Szymański, T Wandtke, K Wasilow… - … of Men's Health, 2021 - journals.sagepub.com

    … We evaluated the utility of oral administration of a supplement containing L-carnitine fumarate, acetyl L-carnitine, vitamin C, coenzyme Q 10 , zinc, folic acid, selenium, and vitamin B 12 (…

    202125 citations

  • l-Carnitine treatment reduces severity of physical and mental fatigue and increases cognitive functions in centenarians: a randomized and controlled clinical …

    M Malaguarnera, L Cammalleri… - … American journal of …, 2007 - academic.oup.com

    … Under normal nutritional conditions and in healthy persons, l-carnitine availability is not a limiting step in β-oxidation; however, in centenarians its supplementation may provide …

    2007280 citations

  • Clinical research and therapeutic importance of dietary supplement L-carnitine

    A Gupta, S Rawat, P Gupta - Asian Journal of Pharmaceutical …, 2018 - researchgate.net

    … explained little information about the effect of Lcarnitine on anti-oxidation capability in healthy human subjects. This study was designed to investigate the correlation between plasma …

    201816 citations

  • Personalized medicine in mitochondrial health and disease: molecular basis of therapeutic approaches based on nutritional supplements and their analogs

    V Tragni, G Primiano, A Tummolo, L Cafferati Beltrame… - Molecules, 2022 - mdpi.com

    … L-Carnitine is a small molecule structurally related to … L-Carnitine supplementation for MDs is a common practice … It has been found that L-carnitine or acetyl-L-carnitine supplementation …

    202262 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-08-23. DSLD Label ID: 24565. 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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