If I could only prescribe one supplement for a diabetes patient, I would prescribe R-alpha-lipoic acid. Alpha-lipoic acid has numerous benefits to the diabetic patient. It is a water- and fat-soluble antioxidant and has been shown to protect patients with fatty liver from liver disease progression. It can help reduce insulin resistance and has been shown to protect people with diabetes from developing complications in their nerves, eyes, and kidneys. R-ALA can prevent glycosylation of proteins, which reduces the A1C level. It is safe, although very rarely it can cause stomach upset. Alpha-lipoic acid is listed either as ALA or R-ALA. When listed as ALA, this means it contains two forms—the S isomer form and the R isomer form, in a 50:50 ratio. The key is to find a product that says it contains “R-ALA” instead of just “ALA.” A good daily working dose of R-ALA is 300 to 1,200 mg a day, which is the equivalent of 600 to 2,400 mg a day of regular ALA, if you buy a regular ALA listed product.

Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
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