L-Carnitine 500 mg by Swanson — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
50% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size

100 Servings

Other Combinations Product Type

50% Evidence Coverage

Supplement Facts — Evidence Check

Calcium

190 mg (15% DV)

L-Carnitine

500 mg

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

This product: 500mg

Other Ingredients

Calcium Carbonate Microcrystalline Cellulose Stearic Acid Magnesium Stearate Water, Purified Hydroxypropyl Methylcellulose Glycerin Silica

Label Claims — Verification

❓ All Other

❓ Structure/Function

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

Target Groups

Vegetarian Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested use: As a dietary supplement, take one tablet per day with water one to two hours before a meal or as recommended by your healthcare provider.

⚠️ Warnings & Precautions

Warning: For adults only. Keep out of reach of children.

Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.

Do not use if seal is broken.

🧪 Formulation Notes

May help convert fat into energy Promotes lean muscle development Supports exercise recovery and performance

Vegetarian

Fatty acid metabolism

L-Carnitine 500 mg per tablet

Additional Information

Science-backed quality since 1969

Note: This hygroscopic material readily absorbs moisture. Store in original bottle. Keep lid tightly sealed.

Store in a cool, dry place.

Product Details

UPC / SKU 0 87614 11001 1

DSLD Entry Date 2025-08-22

Product Type Other Combinations

Form Tablet or Pill

Brand Swanson

DSLD ID 337677

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 →