🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

1 Tbsp Serving Size
31 Servings
Non-Nutrient/Non-Botanical Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Calories
15 Calorie(s)
Total Carbohydrates
4 Gram(s) (1% DV)
10 mg (100% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
1500 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 1500mg

Other Ingredients

Glycerin Sorbitol purified Water Citric Acid Natural Flavors Potassium Sorbate Sodium Benzoate

Label Claims — Verification

Nutrient
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) Dairy Free Sugar Free

Product Information

📋 Directions for Use

FOR BEST RESULTS, TAKE 1 TABLESPOON 2 TIMES DAILY AT 2 SEPARATE MEALS.

Directions: For adults, take one (1) tablespoon (15 mL) two times daily, at two separate meals. Do not take on an empty stomach.

SHAKE WELL BEFORE USE

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Not intended for use by persons under the age of 18.

WARNING: This product contains sugar alcohols, which may cause gastrointestinal discomfort. Excessive consumption may have a laxative effect.

🧪 Formulation Notes

MET-RX L-CARNITINE 1500 IS ONE OF THE MOST VERSATILE SUPPLEMENTS AVAILABLE - PERFECT FOR RUNNERS, WEIGHTLIFTERS, ATHLETES AND ANYONE TRYING TO GET INTO BETTER SHAPE.

OUR FORMULA IS FURTHER ENHANCED WITH A HIGH POTENCY DOSAGE OF PANTOTHENIC ACID (VITAMIN B5).

FREE OF: yeast, wheat, milk or milk derivatives, lactose, sugar, soy, artificial color, artificial flavor.

VEGETARIAN FRIENDLY

WARNING: This product contains sugar alcohols, which may cause gastrointestinal discomfort.

Additional Information

PRE & POST WORKOUT

CARNITINE HELPS THE BODY CONVERT FOOD TO ENERGY - PROVIDING SUPPORT FOR ENDURANCE EXERCISE (AEROBIC) AND DURING RECOVERY FROM HIGH INTENSITY ACTIVITIES SUCH AS WEIGHTLIFTING AND SPRINTING (ANAEROBIC).* SUPPLEMENTING WITH OUR FAST-ACTING LIQUID FORMULA HELPS TO MAXIMIZE MUSCLE CARNITINE CONCENTRATIONS AT THE GYM OR BEFORE ATHLETIC COMPETITION.

ONCE PANTOTHENIC ACID IS CONVERTED INTO COENZYME A IN THE BODY, IT WORKS DIRECTLY WITH CARNITINE TO CONVERT FOOD TO ENERGY - PROVIDING SYNERGISTIC SUPPORT.*

STORE UNOPENED CONTAINER AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

REFRIGERATE AFTER OPENING

EXERCISE RECOVERY

HELPS THE BODY CONVERT FOOD TO ENERGY PROMOTES RECOVERY FROM HIGH INTENSITY EXERCISE SUPPORTS ENDURANCE EXERCISE

36225 01A B36225

Product Details

UPC / SKU 7 86560 36225 2
DSLD Entry Date 2016-08-24
Product Type Non-Nutrient/Non-Botanical
Form Liquid
Brand Met-Rx
DSLD ID 63316
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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