+— 21 sources
In addition the results of its expert testing, ConsumerLab uses only high-quality, evidence based, information sources. These sources include peer-reviewed studies and information from agencies such as the FDA and USDA, and the National Academy of Medicine. On evolving topics, studies from pre-print journals may be sourced. All of our content is reviewed by medical doctors and doctoral-level experts in pharmacology, toxicology, and chemistry. We continually update and medically review our information to keep our content trustworthy, accurate, and reliable. The following sources are referenced in this article:
- Hudson, Cochrane Database Syst Rev 2003
- Montgomery, Int Clin Psychopharmacol, 2003
- Ruggenenti, Hypertension 2009
- McMackin, J Clin Hypertens 2007
- Parvanova, J Endocr Soc 2018
- Sayed, J Pain Res 2024
- Youle, HIV Med 2007
- Leombruni, Clin Exp Rheumatol 2015
- Takahashi, Physiol Rep 2021
- NIH 2023
- Miwa, Nutrition 2020
- Imbe, Endocr J 2018
- Villani, Int J Sport Nutr Excerc Metab 2000
- Biagiotti, BJU Int. 2001
- AFC, EFSA J 2003
- Rebouche, Ann N Y Acad Sci 2004
- Benvenga, Ann NY Acad Sci 2004
- Hershman, J Clin Oncol 2018
- Loprinzi, J Clin Oncol 2020
- Koeth, Nature Medicine 2013
- Samulak, Ann Nutr Metab 2018
Acetyl-l-carnitine supplements compared in this review
Bluebonnet Acetyl-L-Carnitine
Doctor's Best Best Acetyl-L-Carnitine
Jarrow Formulas Acetyl L-Carnitine 500
Twinlab Acetyl-L-Carnitine
Vitacost Acetyl-L-Carnitine
Vitamin Shoppe Acetyl-L-Carnitine
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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