🟢 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

15 mL Serving Size
32 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 1.5mg

Other Ingredients

purified Water Phosphoric Acid Malic Acid Citric Acid Sucralose Natural flavor Acesulfame Potassium Potassium Sorbate Sodium Benzoate

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) Women (not pregnant or lactating) Gluten Free Sugar Free

Product Information

📋 Directions for Use

Makes 32 servings Mix with water

Directions For Use: As a dietary supplement, adults mix 1 serving (1 tablespoon or approx. 1/2 cap) of L-Carnitine LS3 with 5-7 oz. of cold water twice daily. L-Carnitine LS3 can be used on its own or with other iSatori supplements to help you achieve your goals faster. Shake before use.

To be used as part of a resistance exercise program.

⚠️ Warnings & Precautions

Warning: Keep out of reach of children. No intended for individuals under the age of 18 unless instructed by a doctor.

Do not use if this product if you are pregnant of nursing.

Consult a physician or healthcare professional before using this or any other dietary supplement or before beginning an exercise program.

Consult your primary physician prior to use if you have any pre-existing medical conditions, or if you are taking any prescription or over-the-counter drug(s).

Discontinue use and consult a medical doctor if you experience unusual symptoms. Discontinue use two weeks prior to surgery. If you or your doctor has any questions about this product, please call 1-866-668-7679. Use only as directed. Do not use if packaging has been tampered with.

California residents - Warning: Cancer and reproductive harm - www.P65Warnings.ca.gov/Food

🧪 Formulation Notes

Accelerate fat burning and improve metabolism with L-Carnitine LS3

L-Carnitine LS3 is a delicious stimulant-free, sugar-free, calorie-free, gluten-free supplement delivering three advanced forms of L-Carnitine in every serving.

L-Carnitine LS3 is a delicious stimulant-free, sugar-free, calorie-free, gluten-free supplement delivering three advanced forms of L-Carnitine in every serving.

Take L-Carnitine LS3 daily to experience support for: -Promotion of fat loss -Improved energy production -Improved metabolism -Conversion of fat into fuel

Fat loss support

0 calorie 0 sugar Stimulant free

Increase energy Boost metabolism

Pink Lemonade Naturally flavored

Made in the USA from international and domestic ingredients.

Additional Information

5-Star Taste Rating

For more information on L-Carnitine LS3, visit iSatori.com/Carnitine

Refrigerate after opening.

Store in a cool dry place. Avoid excessive heat.

Made in the USA

(Stock symbol: FTLF)

Product Details

UPC / SKU 8 83488 00475 9
DSLD Entry Date 2020-04-23
Product Type Non-Nutrient/Non-Botanical
Form Liquid
Brand iSatori
DSLD ID 217097
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
A Carnitine supplements for people with chronic kidney disease requiring dialysis
Systematic Review The Cochrane database of systematic reviews 2022
A Acetyl-L-carnitine for patients with hepatic encephalopathy
Meta Analysis The Cochrane database of systematic reviews 2019
A Acetyl-L-carnitine for the treatment of diabetic peripheral neuropathy
Meta Analysis The Cochrane database of systematic reviews 2019
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2012
B L-carnitine for cognitive enhancement in people without cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2010
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
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
B Efficacy and Effectiveness of Carnitine Supplementation for Cancer-Related Fatigue: A Systematic Literature Review and Meta-Analysis
Meta Analysis Nutrients 2017
View all evidence for Carnitine →

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