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White Plains, New York, December 6, 2016 — Alpha-lipoic acid supplements may improve insulin sensitivity and blood sugar control in people with type 2 diabetes, reduce symptoms of diabetic peripheral neuropathy, and enhance weight loss when dieting. But do products on the market contain what's claimed on labels? And with prices known to vary widely for alpha-lipoic acid, is it worth paying more for a brand? To find out, recently tested popular alpha-lipoic acid supplements, compared their prices, and reviewed the clinical evidence behind this ingredient.

All of the selected supplements were found to contain their claimed amounts of alpha-lipoic acid and passed's other tests of quality. However, the cost of obtaining the same amount of alpha-lipoic acid ranged among products from just 3 cents to 41 cents.

Among the products tested, (including seven products tested through CL's voluntary Quality Certification Program), identified several as its Top Picks for providing high-quality alpha-lipoic acid at the lowest cost to the consumer.

Alpha-lipoic acid supplement quality ratings and comparisons are now available in's Alpha Lipoic Acid Review ( The report summarizes the clinical evidence regarding the use of alpha-lipoic acid, dosage, drug interactions, and side effects. It also discusses the potential advantages and disadvantages of using the R-isomer-only and mixed isomer forms of alpha-lipoic acid.

Products covered in the Review are alpha betic Alpha Lipoic Acid, Bronson Laboratories Alpha Lipoic Acid, Country Life R-Lipoic Acid, Jarrow Formulas Alpha Lipoic Sustain 300 with Biotin, Natrol Alpha Lipoic Acid, Nature's Bounty Alpha Lipoic Acid, Nature's Sunshine Alpha Lipoic Acid, NOW Alpha Lipoic Acid, Olympian Labs Inc. Alpha Lipoic Acid Naturopathic, Ortho Molecular Products Lipoic Acid, Pure Encapsulations Metabolic Xtra, Puritan's Pride Alpha Lipoic Acid 300 mg, Radiance Platinum [CVS] Alpha Lipoic Acid, Solgar Alpha Lipoic Acid, Spring Valley [Walmart] Alpha Lipoic Acid, Sundown Naturals Alpha Lipoic Acid, Vitacost Alpha Lipoic Acid, Vitamin World Alpha Lipoic Acid 200 mg, Vitamin World Extra Strength Alpha Lipoic Acid and Vitamin World Triple Strength Alpha Lipoic Acid.

Founded in 1999, is a leading provider of consumer information and independent evaluations of products that affect health and nutrition. Membership to is available online and provides immediate access to reviews of more than 1,000 products from over 400 brands. The company is privately held and based in Westchester, New York. It has no ownership from, or interest in, companies that manufacture, distribute, or sell consumer products.

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