🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
30 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 1000mg

Other Ingredients

Gelatin Rice Flour

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

Men take Up to 200 lbs 1-3 serv/day Over 200 lbs 2-4 serv/day Women take Up to 125 lbs 1-2 serv/day Over 125 lbs 1-3 serv/day

Recommended use: Take 1 serving (2 capsules) with water or your favorite beverage twice daily on an empty stomach. Take first dose in the morning and second dose one hour prior to lunch. To maximize results, drink at least 64 ounces of water daily while using this product.

⚠️ Warnings & Precautions

Warning: Pregnant or lactating women, diabetics, hypoglycemics, and people with known medical conditions and/or taking drugs should consult with a licensed physician and/or pharmacist prior to taking dietary supplements.

Warning: Pregnant or lactating women, diabetics, hypoglycemics, and people with known medical conditions and/or taking drugs should consult with a licensed physician and/or pharmacist prior to taking dietary supplements. Do not use if seal is broken.

🧪 Formulation Notes

Plays an important role in supporting brain and muscle function

Acetyl-L-carnitine (ALCAR) is a stabilized and more absorbable form of amino acid L-carnitine. ALCAR protects neurons from damage caused by superoxide radicals.

Enhance fat burning - Boost metabolism - Improve exercise capacity - Aid in energy production - Increase endurance - Fight muscle fatigue

High performance liquid chromatography (HPLC) verified

Health essentials Ultra pure ingredients

Ultra micronized Max bioavailability Energy & fat metabolism Essential in energy metabolism Enhance exercise performance

Pharmaceutical grade

L-carnitine facilitates the metabolism of fatty acids for energy generation. A greater reliance on fat for energy can result in a sparing of muscle glycogen and enhanced exercise performance. This leads to extended exercise capacity resulting in a stronger, leaner physique.

Additional Information

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Made in the USA

Pure nutrition go green

Product Details

UPC / SKU 6 28586 70940 9
DSLD Entry Date 2023-06-22
Product Type Non-Nutrient/Non-Botanical
Form Capsule
Brand NutraKey
DSLD ID 287380
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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