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L-Carnitine

product on market Capsule Nature's Sunshine 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 supports the transport of fatty acids into mitochondria to be burned for energy. There is moderate evidence suggesting it may assist with metabolic function and exercise recovery. Research indicates the ingredient is generally well-tolerated for most users.

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

Label

Product Label

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

Label Data

1 Capsule(s)
Serving Size
10
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

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

Other Ingredients

Capsule Cellulose Vegetable Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Warnings & Precautions

Do not use if inner seal is missing or damaged.

Formulation Notes

General nutrition support

Ko Pareve (Kosher)

Supports fat metabolism Guaranteed pure

Amino Acid

Additional Information

Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.

Ko Pareve (Kosher)

New look! Same great product

Herbal experts since 1972

Recommended Use: Take 1 to 3 capsules daily with a meal.

Metadata

Product Details

UPC / SKU0 99904 01632 3
DSLD Entry Date2021-09-24
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandNature's Sunshine
DSLD ID255311
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
View all evidence for Carnitine →
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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.