🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 40% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

1 Tbsp Serving Size
30 Servings
Non-Nutrient/Non-Botanical Product Type
40% Evidence Coverage

Supplement Facts — Evidence Check

Calories
20 Calorie(s)
Carbohydrates
2 mg (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
25 mg (250% DV)
📊 5.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 25mg
3000 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 3000mg

Other Ingredients

purified Water Vegetable Glycerin Citric Acid Natural and Artificial flavors Potassium Sorbate Sodium Hexametaphosphate Calcium Propionate Sucralose Acesulfame Potassium FD&C Red #40

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) Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take one tablespoon daily. May be taken directly, or added to water or your favorite beverage. For best results, take 30-60 minutes prior to exercise. Shake well before each use.

⚠️ Warnings & Precautions

Keep out of reach of children.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

🧪 Formulation Notes

Sugar free

With 3000 mg of L-carnitine

Additional Information

Satisfaction Guarantee Try this product at our risk. If you are not completely satisfied, bring back the unused portion with your receipt to place of purchase for a full refund.

Refrigerate after opening.

Supports the conversion of fatty acids into energy Fuels exercise and muscle recovery

Ultra concentrated Natural & artificial flavors Scientifically formulated Amazing taste

CODE 732218 CQG

Are you up for the challenge? Visit GNC.com/TLC to join and for more information. For Additional Healthy Weight Management Support, Try These Scientifically Formulated GNC Total Lean Products: Live Lean & Fit Pak Lean Shake 25 CLA Lean Bars

Refrigerate after opening.

Product Details

UPC / SKU 0 48107 12962 0
DSLD Entry Date 2017-05-24
Product Type Non-Nutrient/Non-Botanical
Form Liquid
DSLD ID 74456
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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