A few weeks after starting acetyl-L-carnitine, I became so sluggish I could hardly function. Could this be due to the supplement?
Find out if carnitine supplements can cause sluggishness and fatigue. ConsumerLab's answer explains.
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Acetyl-L-Carnitine Supplements Review
Choose the Best Acetyl-L-Carnitine Supplement. Don't Overpay! CL Identifies Quality Acetyl-L-Carnitine Supplements at the Best Value
Reviewed and edited by Tod Cooperman, M.D.
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Acetyl-l-carnitine supplements compared in this review
GNC Acetyl L-Carnitine
Doctor's Best Best Acetyl-L-Carnitine
Bluebonnet Acetyl-L-Carnitine
Vitamin Shoppe Acetyl-L-Carnitine
Vitacost Acetyl-L-Carnitine
Twinlab Acetyl-L-Carnitine
Jarrow Formulas Acetyl L-Carnitine 500
Make sure the acetyl-l-carnitine supplement you take passed our quality review and is right for you!
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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 review 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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Related CL Answers (5)
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