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L-Carnitine 500 mg

product on market Capsule Natrol Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

L-carnitine is researched for its role in fatty acid metabolism and energy production. There is moderate evidence suggesting it may support exercise recovery and metabolic function. The ingredient profile maintains a high safety rating for general use.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for L-Carnitine 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
30
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mg
Market median: 500.0mg (861 products) 61 studies (A:4, B:13)

Other Ingredients

Gelatin Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take 1 capsule daily on an empty stomach.

Warnings & Precautions

Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition or are taking prescription drugs.

Keep out of reach of children.

Formulation Notes

Natrol L-Carnitine 500mg is an amino acid derivative that helps maximize your workout performance by helping the body produce energy from fat.

No: Milk, Egg, Fish, Crustacean Shellfish, Tree Nuts, Peanuts, Wheat, Soybeans, Yeast, Artificial Colors or Flavors, Added Sugar or Preservatives

Additional Information

Enhances cellular energy production Promotes fat metabolism

Store in a cool, dry place.

ITEM: 16083.911 F: 3000100 L: 2008974-17206

Weight management Helps enhance energy production

Metadata

Product Details

UPC / SKU0 47469 16083 8
DSLD Entry Date2019-06-24
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandNatrol
DSLD ID203305
Data Updated2026-04-11
Research

Research Evidence

80
Research Sources
49
Avg Quality
43
Rct
14
Clinical Trial
11
Systematic Review
9
Meta Analysis
2
Regulatory Source
A Propionyl-L-carnitine for intermittent claudication
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Carnitine supplements for people with chronic kidney disease requiring dialysis
Systematic Review The Cochrane database of systematic reviews 2022 PubMed DOI
A Acetyl-L-carnitine for patients with hepatic encephalopathy
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Acetyl-L-carnitine for the treatment of diabetic peripheral neuropathy
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2012 PubMed DOI
B L-carnitine for cognitive enhancement in people without cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2010 PubMed DOI
B Systematic Review and Meta-analysis on Effect of Carnitine, Coenzyme Q10 and Selenium on Pregnancy and Semen Parameters in Couples With Idiopathic Male Infertility
Meta Analysis Urology 2022 PubMed DOI
B Effects of Carnitine and Coenzyme Q10 on Sperm Quality and Pregnancy Rates in Men with Unexplained Infertility: A Systematic Review and Network Meta-Analysis
Systematic Review Reproductive sciences (Thousand Oaks, Calif.) 2025 PubMed DOI
B Efficacy and Effectiveness of Carnitine Supplementation for Cancer-Related Fatigue: A Systematic Literature Review and Meta-Analysis
Meta Analysis Nutrients 2017 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.