L-Carnitine 500 mg

L-Carnitine 500 mg

NOW4.7 (8,564 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 60 servings
Goals

Product analysis

75 out of 100

L-Carnitine 500 mg offers a focused option for support with how the body handles blood fats. Its potential heart-related benefits are limited and uncertain.

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

Nutrient Quality40

L-carnitine tartrate is clearly identified. The available information does not establish how its absorption or quality compares with other forms.

Ingredient Transparency100

The amount and form of the sole active ingredient are both disclosed. That makes it straightforward to compare the serving with other L-carnitine supplements.

Value For Money100

The cost comparison indicates good value for the amount of L-carnitine provided. That describes affordability, not the size of any health benefit.

Customer Satisfaction91

Customer ratings are very positive across thousands of reviews. The large review base gives a substantial picture of satisfaction, without proving health benefits.

Product Focus63

A single active ingredient gives the formula a clear focus on handling blood fats. Its possible heart-related benefit is narrower and less certain than comprehensive cardiovascular support.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.16
Customer rating
4.7 · 8,564 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 91
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
A+ Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyA+ Value
The serving lists 500 mg of L-carnitine, with a low cost per gram of stated carnitine. The source amount and active yield are not explicitly linked. A branded source is claimed.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The precise chemical form is unclear in the available details. A branded carnitine source is claimed, though its name is not available here.
Chemical Form and Goal Alignment
The precise chemical form is unclear in the available details.
Branded Material and Purity Standards
A branded carnitine source is claimed, though its name is not available here.

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.

Value100

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