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L-Carnitine Fumarate 855 mg

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4.6
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(12500 ratings)
L-Carnitine 855 mg
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Score82
855 mg of compound of L-carnitine fumarate offers good value, but the focused formula has limited pathway coverage.
How scoring works
Quantity:180 Veggie Cap(s) • (180 servings)
Goals:
Cardiovascular Support

Score 82

855 mg of compound of L-carnitine fumarate offers good value, but the focused formula has limited pathway coverage.
How scoring works
$43.99($0.24 per serving)
Vitacost
$ 48.37
Pure Formulas
$ 79.65
Amazon
$ 43.99
iHerb
$ 43.99
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Analysis

L-carnitine fumarate is a stable form with a useful cardiac-energy rationale, and the supplied analysis estimates just under 500 mg of active carnitine. The 855 mg of compound serving is presented in a vegetable capsule format for routine use.

Consumers must infer the elemental yield from the compound weight, and no branded purity source is disclosed. Benefits are most likely when carnitine support is relevant rather than as a universal performance or heart-health effect.

The formula stays focused on fatty-acid transport and cellular energy rather than broad cardiovascular or performance coverage. Good value and a large 180-serving supply shape the practical appeal.

Who is it for
  • Adults seeking a simple carnitine supplement
  • Users seeking maintenance-level cellular-energy support
Best for
  • Focused fatty-acid transport support
  • Value-conscious carnitine use

Pros

  • Provides 855 mg of compound per labeled serving
  • Clearly identifies L-carnitine fumarate
  • Vegetable capsule format
  • Good value

Cons

  • No independent purity or testing standard is disclosed
  • Elemental L-carnitine yield is not stated directly
  • Supports a narrow metabolic pathway rather than broad cardiovascular coverage

Nutrient quality

86 Highest impact

L-carnitine fumarate is a stable form that fits cardiovascular energy support. The label gives salt weight rather than a directly stated elemental yield.

Ingredient transparency

79 High impact

Active complex amounts and serving details are stated clearly. The label gives salt weight rather than a directly stated elemental yield.

Customer satisfaction

72 High impact

The supplied average rating is strong, and a very large response volume makes the average rating more stable. No comment-level feedback is supplied to judge recurring complaints or purpose-specific experiences.

Value for money

91 Highest impact

Favorable cost per estimated active amount supports good value. Formula focus and disclosure determine whether that value holds up in practice.

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Goals

Cardiovascular Support
Cardiovascular Support
Impact
Moderate effect
C Goal FitC Strength of SupportD- CoverageB+ Formula Quality
L-Carnitine · 855 mg

L-carnitine fumarate is a stable form aligned with cardiac fatty-acid energy metabolism. The compound amount appears to provide just under a standard maintenance amount of active L-carnitine, limiting depth.

No other cardiovascular pathway is addressed, and the label does not state the active carnitine yield directly. Evidence remains condition-specific rather than strong for broad preventive use.

Study evidence
L-Carnitine Supportive 73 studies

Ingredients

IngredientAmount per serving
L-Carnitine Fumarate
855 mg
Gluten Free Adults 18–50 Vegan Vegetarian
Report overview
L-Carnitine · 855 mg OverallScore66
B- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyB+ Value

L-carnitine fumarate is a stable form that aligns well with cardiovascular energy support. The 855 mg compound supplies about 496 mg of elemental L-carnitine, placing it just below the standard maintenance range. The label requires a yield calculation and lacks a branded purity source, though cost per active gram is favorable.

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78 Performance

L-Carnitine Fumarate With Biosint Carnitines 855 mg

Doctor's Best
The branded Biosint fumarate source adds credible purity assurance and fits cardiovascular energy support; its form and goal fit provide a clearer option when the original has moderate dose, form, or yield uncertainty. The label gives compound weight rather than a directly stated elemental yield.
82 Performance

L-Carnitine + Tartrate

ALLMAX
L-carnitine tartrate provides a focused amount for exercise recovery and energy metabolism, with pantothenic acid offering compatible support; its form and goal fit provide a clearer option when the original has moderate dose, form, or yield uncertainty. Clear doses, a concise formula, and favorable serving economics make it a practical option despite the missing elemental carnitine yield.
82 Performance

L-Carnitine 500 mg

NOW
L-carnitine tartrate provides a clear maintenance amount in a form well suited to exercise recovery; its form and goal fit provide a clearer option when the original has moderate dose, form, or yield uncertainty. No branded purity source or non-active ingredient list is supplied.
83 Budget

L-Carnitine 500 mg

Swanson
L-carnitine base provides a direct maintenance amount with clearly listed calcium; the lower serving cost improves economy when the original has moderate dose, form, or yield uncertainty. No branded purity source or non-active ingredient list is supplied.
84 Budget

L-Carnitine 500 mg

Swanson Premium Brand
L-carnitine base provides a direct and clearly stated maintenance amount; the lower serving cost improves economy when the original has moderate dose, form, or yield uncertainty. No branded purity source or non-active ingredient list is supplied.
87 Budget

L-Carnitine

NOW
L-carnitine tartrate provides a useful maintenance amount in a flexible liquid form; the lower serving cost improves economy when the original has moderate dose, form, or yield uncertainty. No branded purity source or non-active ingredient list is supplied.
87 Value

L-Carnitine 500 mg

NOW
L-carnitine tartrate provides a clear maintenance amount in a form well suited to exercise recovery; the quality-to-cost balance is favorable when the original has moderate dose, form, or yield uncertainty. No branded purity source or non-active ingredient list is supplied.
81 Value

L-Carnitine 500 mg

Jarrow Formulas
L-carnitine tartrate provides a clear maintenance amount in an exercise-oriented form; the quality-to-cost balance is favorable when the original has moderate dose, form, or yield uncertainty. No branded purity source or non-active ingredient list is supplied.
80 Value

L-Carnitine 500 mg

Natural Factors
L-carnitine tartrate provides a clear maintenance amount in a suitable exercise-oriented form; the quality-to-cost balance is favorable when the original has moderate dose, form, or yield uncertainty. No branded purity source or non-active ingredient list is supplied.
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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Effective dosing of L-carnitine in the secondary prevention of cardiovascular disease: a systematic review and meta-analysis.
    Shang R; Sun Z; Li H · BMC cardiovascular disorders · 2015
    Meta-analysis3,108 participants5 studies pooledCardiovascular Support forL-Carnitine
  2. The Effects of L-Carnitine on Echocardiographic Changes in Patients With β-Thalassemia Major and Intermedia.
    Shahidi M; Hashemi SR; Fattahi N; Roshani D; Vahedi S; Sharifi P; Moradveisi B · Journal of pediatric hematology/oncology · 2020
    Randomized trial60 participantsCardiovascular Support forL-Carnitine
  3. The Effects of L-Carnitine Supplementation on Serum Lipids: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Fathizadeh H; Milajerdi A; Reiner Ž; Kolahdooz F; Chamani M; Amirani E; Asemi Z · Current pharmaceutical design · 2020
    Meta-analysis67 studies pooledCardiovascular Support forL-Carnitine
  4. Intestinal microbiota metabolism of L-carnitine, a nutrient in red meat, promotes atherosclerosis.
    Koeth RA; Wang Z; Levison BS; Buffa JA; Org E; Sheehy BT; Britt EB; Fu X; Wu Y; Li L; Smith JD; DiDonato JA; Chen J; Li H; Wu GD; Lewis JD; Warrier M; Brown JM; Krauss RM; Tang WH; Bushman FD; Lusis AJ; Hazen SL · Nature medicine · 2013
    Other2,595 participantsCardiovascular Support forL-Carnitine
  5. L-Carnitine supplementation reduces oxidized LDL cholesterol in patients with diabetes.
    Malaguarnera M; Vacante M; Avitabile T; Malaguarnera M; Cammalleri L; Motta M · The American journal of clinical nutrition · 2009
    Randomized trial81 participantsCardiovascular Support forL-Carnitine
  6. L-Carnitine's Effect on the Biomarkers of Metabolic Syndrome: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Choi M; Park S; Lee M · Nutrients · 2021
    Meta-analysis9 studies pooledCardiovascular Support forL-Carnitine
  7. The Effects of L-Carnitine Supplementation on Weight Loss, Glycemic Control, and Cardiovascular Risk Factors in Patients With Type 2 Diabetes: A Systematic Review and Dose-response Meta-Analysis of Randomized Controlled Trials.
    Mirrafiei A; Jayedi A; Shab-Bidar S · Clinical therapeutics · 2024
    Meta-analysis2,041 participants21 studies pooledCardiovascular Support forL-Carnitine
  8. Efficacy and tolerability of combined treatment with L-carnitine and simvastatin in lowering lipoprotein(a) serum levels in patients with type 2 diabetes mellitus.
    Solfrizzi V; Capurso C; Colacicco AM; D'Introno A; Fontana C; Capurso SA; Torres F; Gadaleta AM; Koverech A; Capurso A; Panza F · Atherosclerosis · 2007
    Randomized trial52 participantsCardiovascular Support forL-Carnitine