🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

1 Ounce(s) Serving Size
16 Servings
Non-Nutrient/Non-Botanical Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s) (1% DV)
1000 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 1000mg

Other Ingredients

Water Crystalline Fructose Citric Acid Natural and Artificial flavor Potassium Sorbate FD&C Yellow No. 5

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)

Product Information

📋 Directions for Use

DIRECTIONS: Take 1 serving with your favorite drink or water and consume twice daily. Read the entire label before use and follow directions provided.

⚠️ Warnings & Precautions

WARNING: Not intended for use by persons under 18.

Do not use if pregnant or nursing.

Consult a medical doctor before starting a diet or exercise program.

KEEP OUT OF REACH OF CHILDREN.

Do not use if packaging has been tampered with.

🧪 Formulation Notes

Guaranteed banned substance free

Fully disclosed ingredients No Proprietary Blends

100% Ultra-Pure Carnitine Liquid – Delivers a precise daily dose of 1,000mg of L-carnitine, an ingredient shown in multiple human clinical studies to support post-workout recovery by improving muscle tissue repair and reducing muscle tissue damage.

1,000mg L-CARNITINE

Additional Information

Our mission is to develop the most scientifically advanced and effective supplements to help you build muscle and strength, lose weight, and improve athletic performance. Thanks to our millions of loyal customers, we are fortunate to be the most-awarded and best-selling sports nutrition brand over the past 20 years. Many supplement companies do not disclose their ingredients, and don’t invest in science and research, or quality control. We are different.

#1 Most award winning sports nutrition brand

America's #1 selling bodybuilding supplement brand

#1 Fastest growing sports nutrition brand Total yearly sales growth since 1995

20 years of excellence

U.S. Military #1 selling bodybuilding supplement brand

Tens of millions of customers

Made in the USA from domestic & international ingredients

#1 Most clinical studies in science

Formulated with clinically dosed key ingredients

Leader in science A portion of every dollar to more research

No. 1 patents Most patents awarded & pending

#1 in quality control Over $10 million invested

cGMP manufactured

Manufactured according to cGMP standards, as is required for all dietary supplements

Guaranteed banned substance free

Fully disclosed ingredients No Proprietary Blends

Unlike other L-carnitine liquids that are unflavored, 100% Ultra-Pure Carnitine Liquid has been flavored with a delicious orange taste you know and love.

New

Research & Development

MUSCLE RECOVERY FORMULA SUPPORTS MUSCLE RECOVERY & REPAIR AFTER TRAINING TASTES GREAT 16 servings

NATURAL AND ARTIFICIAL FLAVOR

Store in a cool, dry place (60(0)F to 80(0)F).

Made in the U.S.A. from international ingredients.

Twitter @TeamMuscleTech Facebook.com/MuscleTech

9564US 0214

Product Details

UPC / SKU 6 31656 29013 4
DSLD Entry Date 2016-08-24
Product Type Non-Nutrient/Non-Botanical
Form Liquid
DSLD ID 63825
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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