Which is better, alpha-lipoic acid or R-lipoic acid?
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4 min read
Supplements labeled as alpha-lipoic acid (ALA) typically contain a 50/50 mixture of two forms [1.5.7]. However, only the R-lipoic acid (R-LA) form is identical to that produced and used by the body [1.5.1]. So, which is better, alpha-lipoic acid or R-lipoic acid?
