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L-Carnitine 250 mg

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

L-carnitine is associated with fatty acid metabolism, while calcium and phosphorus support bone and mineral homeostasis. There is moderate evidence for these ingredients in maintaining cellular function and skeletal health. However, the overall evidence coverage for this specific formulation is very limited.

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

Label

Product Label

Label for L-Carnitine 250 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
50
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
110 mg (8% DV)
55 mg (4% DV)
Within RDA (0.1× RDA) 13 studies (A:0, B:3)
250 mg
Market median: 500.0mg (861 products) 61 studies (A:4, B:13)

Other Ingredients

Bovine Gelatin Microcrystalline Cellulose Magnesium Stearate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take 1 capsule daily as a dietary supplement or as directed by a healthcare professional.

Warnings & Precautions

Keep out of reach of children.

Do not purchase if seal is broken.

Formulation Notes

Free form amino acid

Cardiovascular health Promotes energy metabolism

No sugar, wheat, soy, milk, artificial colors, flavors or preservatives Non GMO - Gluten free

Additional Information

Protect from heat, light & moisture. Store in a cool, dry place.

Made in the U.S.A. from globally sourced ingredients

Metadata

Product Details

UPC / SKU0 35046 00454 5
DSLD Entry Date2025-07-24
Product TypeOther Combinations
FormCapsule
BrandWindmill
DSLD ID333555
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.