L-Carnitine 500 mg

L-Carnitine 500 mg

Jarrow Formulas4.7 (1,671 ratings)
Format:Capsule Quantity: 100 Veggie Cap(s) · 100 servings
Goals
$32.99 $0.32 per serving

Product analysis

70 out of 100

L-Carnitine 500 mg offers a reasonably priced, single-ingredient option that may support some blood-fat measures. Findings are mixed and do not establish broad heart benefits.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality40

The carnitine form is identified, but its quality remains uncertain. A named form alone does not establish how well the body absorbs it.

Ingredient Transparency100

Both the carnitine amount and form are stated. Those details make it easier to compare with other carnitine supplements.

Value For Money80

The price is favorable relative to the amount of carnitine provided. That makes it a reasonably priced option if carnitine is what you want to supplement.

Customer Satisfaction84

Customer ratings are favorable. More than a thousand responses provide a broad view of satisfaction.

Product Focus63

The formula focuses on carnitine for heart support. Findings mainly concern blood-fat measures and are mixed, so broader heart benefits remain uncertain.

Format
Capsule
Container
100 Veggie Cap(s)
Per serving
$0.32
Customer rating
4.7 · 1,671 ratings
Report analysis

Goals

Cardiovascular Support
Impact
Moderate effect
B+ Ingredient FitF PathwaysC EvidenceA+ Formulation Logic
L-Carnitine · 500 mg
Study evidence

Ingredients

IngredientAmount per servingScore
L-Carnitine (L-Carnitine Tartrate)
500 mg 76
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
B- Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyB+ Value
The serving lists 500 mg of L-carnitine, with a fairly low cost per gram of stated carnitine. The source amount and active yield are not explicitly linked. No carnitine brand is named in the available details.
How this ingredient is rated

Active Ingredient Quality & Bioavailability72

The precise chemical form is unclear in the available details. No named carnitine brand or purity grade is available.
Chemical Form and Goal Alignment
The precise chemical form is unclear in the available details.
Branded Material and Purity Standards
No named carnitine brand or purity grade is available.

Dose, Safety & Label Transparency78

The stated carnitine amount is 500 mg per serving. An active amount is listed, but the corresponding source compound amount is not available.
Elemental L-Carnitine Dosage
The stated carnitine amount is 500 mg per serving.
Elemental Yield Disclosure
An active amount is listed, but the corresponding source compound amount is not available.

Value80

The cost per gram of stated carnitine is fairly low.
Price per Gram of Elemental L-Carnitine
The cost per gram of stated carnitine is fairly low.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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