🟢 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
Other Combinations Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Calories
25 Calorie(s)
Total Carbohydrates
6 Gram(s) (2% DV)
10 mg (100% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
3000 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 3000mg

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)

Product Information

📋 Directions for Use

FOR BEST RESULTS, TAKE 1 TABLESPOON ONCE A DAY WITH A MEAL.

Directions: For adults, take one (1) tablespoon (15mL) thirty to sixty minutes before exercise with your pre-workout meal. Do not take on an empty stomach.

SHAKE WELL BEFORE USE

⚠️ Warnings & Precautions

Do not take on an empty stomach.

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.

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

🧪 Formulation Notes

WE TOOK OUR POPULAR LIQUID L-CARNITINE AND DOUBLED ITS POTENCY TO CREATE A POWERFUL SINGLE TABLESPOON SERVING.

THIS MAXIMUM STRENGTH L-CARNITINE 3000 IS PERFECT FOR RUNNERS, WEIGHTLIFTERS, ATHLETES AND ANYONE TRYING TO REACH THEIR TOUGHEST FITNESS GOALS.

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

VEGETARIAN FRIENDLY

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

Additional Information

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*

MAXIMUM STRENGTH

>>2X CONCENTRATION >>PROMOTES RECOVERY FROM HIGH INTENSITY EXERCISE* >>SUPPORTS ENDURANCE EXERCISE

53122 02A B53122

PRE-WORKOUT

Product Details

UPC / SKU 7 86560 53122 1
DSLD Entry Date 2016-11-21
Product Type Other Combinations
Form Liquid
Brand MET-Rx
DSLD ID 66284
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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