Lipoic Acid Chemical Forms: the R and S Isomers
When Alpha-Lipoic Acid is synthesized in a laboratory, a 50/50 racemic mixture of the R and S enantiomers results in what we call R/S Lipoic Acid, which is the most popular form of commercially available Lipoic Acid (also named RAS Lipoic Acid or All Racemic Lipoic Acid). Our patients know it as simply Alpha Lipoic Acid.
New technological advancements have allowed for the stabilization and isolation of the RLA (R-Lipoic Acid isomer), which is believed to account for all the benefits seen from studies with R/S Lipoic Acid. Supplementing with pure RLA, thus eliminating the presence of SLA (S-Lipoic Acid isomer), creates new opportunities for intensive nutritional support because SLA is believed to interfere with the effectiveness of RLA.
How is Stabilized R-Lipoic Acid Different From Other R-Lipoic Products on the Market?
R-Lipoic Acid is a highly unstable compound that easily polymerizes into a sticky rubber or glue-like substance if it is not prepared, stored and processed correctly. This will adversely affect bioavailability. Stable RLA is a non-hygroscopic, non-polymeric potassium salt form of RLA. The capsules are heat stable, characterized by fast dissolution rates, high solubility and absorption. They are also free of residual solvents and moisture. There are wide variations in the R/S ratios and total polymer contents of raw material and finished products now on the market. Few supplement companies have experience with RLA and are unaware of the myriad of problems associated with its encapsulation and stability. Designs for Health's Stabilized RLipoic Acid is sourced from the only stable and highly bioavailable form of R-Lipoic Acid available on the market.
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*These statements have not been evaluated by the Food and Drug Administration.
This product is not intended to diagnose, treat, cure or prevent any disease.
