Home/ Supplements/ Carnitine/ L-Carnitine 500 Tabs

L-Carnitine 500 Tabs

product on market Tablet or Pill ON Optimum Nutrition 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 supported by moderate evidence for aiding fatty acid transport and energy metabolism. Calcium and phosphorus are essential minerals that contribute to bone health and cellular function. Research coverage for this specific formulation is limited.

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

Label

Product Label

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

Label Data

1 Tablet(s)
Serving Size
30
Servings
Non-Nutrient/Non-Botanical
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
95 mg (10% DV)
70 mg (7% DV)
Within RDA (0.1× RDA) 13 studies (A:0, B:3)
500 mg
Market median: 500.0mg (861 products) 61 studies (A:4, B:13)

Other Ingredients

Pharmaceutical Glaze Stearic Acid Silica Magnesium Stearate Croscarmellose Sodium
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

SUGGESTED USE: As a dietary supplement, consume 1-2 tablets twice daily before meals.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

CHECK WITH A QUALIFIED HEALTHCARE PROFESSIONAL BEFORE TAKING THIS PRODUCT IF YOU ARE PREGNANT, NURSING A BABY, UNDER 18 YEARS OF AGE, OR IF YOU HAVE ANY KNOWN OR SUSPECTED MEDICAL CONDITION(S) AND/OR ARE TAKING ANY PRESCRIPTION OR OTC MEDICATION(S).

CHECK WITH A QUALIFIED HEALTHCARE PROFESSIONAL BEFORE TAKING THIS PRODUCT IF YOU ARE PREGNANT, NURSING A BABY, UNDER 18 YEARS OF AGE, OR IF YOU HAVE ANY KNOWN OR SUSPECTED MEDICAL CONDITION(S) AND/OR ARE TAKING ANY PRESCRIPTION OR OTC MEDICATION(S).

Formulation Notes

500 mg L-CARNITINE TARTRATE

Additional Information

07-172-190

STORE IN A COOL, DRY PLACE.

Metadata

Product Details

DSLD Entry Date2016-03-24
Product TypeNon-Nutrient/Non-Botanical
FormTablet or Pill
BrandON Optimum Nutrition
DSLD ID57527
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.