🟢 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
15 {Calories}
Total Carbohydrates
4 g (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

Vegetable Glycerin Sorbitol purified Water Citric Acid Natural Flavors Potassium Sorbate and 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

Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

DIRECTIONS: For adults, take one (1) tablespoon (15 mL) one to two times daily, preferably on an empty stomach.

Shake well before using.

⚠️ Warnings & Precautions

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

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

Not intended for use by persons under the age of 18. Keep out of reach of children.

Do not use if outer seal is broken or missing.

🧪 Formulation Notes

VEGETARIAN DIETARY SUPPLEMENT

No Artificial Color or Flavor, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish.

Additional Information

Precision Engineered has pioneered the manufacture of premium sports nutrition supplements. Our commitment to quality is the highest in our industry. Every product undergoes rigorous analysis for purity, potency, safety and freshness. We guarantee it.

QA QUALITY ASSURED

Store unopened container at room temperature. Refrigerate after opening.

200% MORE L-CARNITINE THAN THE LEADING COMPETITOR

• FAST ACTING LIQUID • PROMOTES MUSCULAR ENERGY* • ASSISTS FAT METABOLISM*

HARDCORE SERIES

Per tablespoon

Carnitine assists in the breakdown of energy stores in cells.* Carnitine plays an essential role in making fat available for muscle tissue - promoting muscular energy.* Muscle contains the highest concentration of Carnitine in the body, which makes it important for bodybuilders and athletes.*

PROD. # 15904 B15904 05B

Product Details

UPC / SKU 7 66443 15904 9
DSLD Entry Date 2011-10-26
Product Type Other Combinations
Form Liquid
DSLD ID 1462
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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