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Product Review: Acetyl-L-Carnitine Supplements Review
 

Initial Posting: 7/6/12  Last Update 4/5/16
Acetyl-L-Carnitine Supplements Tested by ConsumerLab.com Can Acetyl-L-Carnitine Help You? ConsumerLab.com Reviews the Evidence and Shows Which Supplements Meet Quality Standards

Wide Range in Prices Found Among Similar Products

Acetyl-l-carnitine supplements in this review
Bluebonnet Acetyl-L-Carnitine Jarrow Formulas Acetyl L-Carnitine Vitacost Acetyl-L-Carnitine
Doctor's Best Best Acetyl-L-Carnitine Twinlab Acetyl-L-Carnitine Vitamin Shoppe Acetyl-L-Carnitine
GNC Acetyl L-Carnitine    
Make sure the acetyl-l-carnitine supplement you take passed our quality review and is right for you!
Isn't your health worth it?
What is acetyl-l-carnitine? Who can benefit from it and what should you look for in an acetyl-l-carnitine E supplement? ConsumerLab.com answers these questions and more in this report. ConsumerLab.com also purchased and tested the ingredients in acetyl-l-carnitine products and rated their quality. It found that the price of comparable, high-quality products to vary enormously -- by as much as 300%!
 
ConsumerLab.com reviewed the evidence for the use of acetyl-l-carnitine for memory and cognition in older people with age-related memory problems, Alzheimer's disease and other forms of dementia, diabetic neuropathy and neuropathy associated with antiretroviral drug therapy, fibromyalgia, androgen decline in older men, male infertility, Peyronie's disease, and fragile X syndrome.
  
In this comprehensive report about acetyl-L-carnitine supplements, you'll get test results and quality ratings for seven products (including four that passed CL's Voluntary Certification Program). You'll learn:
    • Which acetyl-l-carnitine supplements passed or failed ConsumerLab.com's testing and review
    • Quality ratings and comparisons of acetyl-l-carnitine products
    • Who is most likely to benefit from acetyl-l-carnitine
    • The dosage of acetyl-l-carnitine used in treating or preventing conditions 
    • Potential side-effects of acetyl-l-carnitine supplements, warnings, and drug interactions
    • And more! 

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ConsumerLab.com Answers -- for Acetyl-L-Carnitine Supplements Review
Question:
A few weeks after starting acetyl-L-carnitine, I became so sluggish I could hardly function. Could this be due to the supplement? Get the answer >>

Question:
Does Procera AVH really improve memory and mood? Get the answer >>

Question:
Do any supplements really help with brain function, like memory and cognition? Get the answer >>

Question:
Is it safe to take arginine, or other supplements for sexual enhancement, while taking Viagra or Cialis? Get the answer >>

Question:
What is Brain Bright and can it really improve memory or cognition? Get the answer >>
Update:
(4/5/16): Two CL members reported recently purchasing one of the Approved products in this review and noticing a problem with some of the capsules. For more details, see the Update at the top of the full report.
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