L-Carnitine 500 mg

product on market Tablet or Pill GNC Pro Performance 🟢 Safety: 100/100
Brand: GNC Pro Performance
🟢 100/100

This product looks safe

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

Product Label

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Label Data

1 Tablet(s) Serving Size
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

500 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 500mg

Other Ingredients

Corn Starch Dicalcium Phosphate Cellulose

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (88% of products) Nutrient (18% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take one tablet daily on an empty stomach.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

Pro Performance L-Carnitine provides 500 mg of this important nutrient per pill.

No sugar, no artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, no soy, no dairy, yeast free.

500mg L-Carnitine

Additional Information

Potency verified by GNC procedure #5064. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Store in a cool, dry place.

Facilitates muscle recovery

CODE 987412 DRG

GF Gluten free

L-Carnitine is a popular amino acid amoung bodybuilders, weight trainers and serious athletes because of its role in facilitating the metabolism of long chain fatty acids.

Product Details

UPC / SKU 0 48107 16906 0
DSLD Entry Date 2017-01-25
Product Type Non-Nutrient/Non-Botanical
Form Tablet or Pill
Brand GNC Pro Performance
DSLD ID 69393
Data Updated 2026-04-11

Research Evidence

80 Research Sources
49 Avg Quality Score
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 Cochrane
A Carnitine supplements for people with chronic kidney disease requiring dialysis
Systematic Review The Cochrane database of systematic reviews 2022
PubMed DOI Cochrane
A Acetyl-L-carnitine for patients with hepatic encephalopathy
Meta Analysis The Cochrane database of systematic reviews 2019
PubMed DOI Cochrane
A Acetyl-L-carnitine for the treatment of diabetic peripheral neuropathy
Meta Analysis The Cochrane database of systematic reviews 2019
PubMed DOI Cochrane
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2012
PubMed DOI Cochrane
B L-carnitine for cognitive enhancement in people without cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2010
PubMed DOI Cochrane
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
View all evidence for Carnitine →

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