ConsumerLab.com uses JavaScript to provide the best possible experience for our content, but your browser has it disabled. Learn how to enable it here.

About ConsumerLab.com


Chemical Structure of Alpha Lipoic Acid on Pink Background

Answer:

The R-form of alpha-lipoic acid is the active, natural form. The S-form occurs when alpha lipoic acid is synthetically manufactured, creating both the S-form and the active R-form. The S-form is most likely inactive, although some information suggests it may an analgesic effect. For more information, see the What It Is section of our Alpha Lipoic Acid Supplements Review, which includes our Top Picks.

Join today to unlock all member benefits including full access to all CL Answers and over 1,300 reviews.

Join Now

Join now at www.consumerlab.com/join/

  Comments
Loading Comments…