R-Lipoic Acid


R-Lipoic Acid capsules by Douglas Laboratories contain 100 mg of pure R-LA.

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R-Lipoic Acid

R-Lipoic Acid capsules by Douglas Laboratories contain 100 mg of pure R-LA. The R-LA isomer used in this formulation is provided in a stabilized form as Sodium-R-lipoate to provide increased bioavailability compared to R,S- lipoate.


Lipoic acid is a nutritional coenzyme that participates in the energy metabolism of proteins, carbohydrates and fats, with a particular role in blood glucose disposal. It is also able to scavenge a number of free radicals. As both a fat and water-soluble, sulfur-containing coenzyme, lipoic acid functions in the body as part of several multi-enzyme complexes located in the mitochondria.

Lipoic acid is essential for metabolizing carbohydrates, proteins, and fats, for the conversion of their energy into ATP. Two of these enzyme complexes, pyruvate dehydrogenase (PDH) and alpha-ketoglutarate dehydrogenase (KGDH) are part of the citric acid cycle (Krebs cycle), and as such assume a central role for general energy production.


R-LA may be a beneficial dietary supplement for individuals who wish to supplement with lipoic acid.


Each Capsule Contains:

  • Vitamin C (ascorbyl palmitate) – 5 mg
  • Sodium – 14 mg
  • R-LA – 100 mg
    (from 143 mg of Sodium R-lipoic acid)

Suggested Use

Adults take 1 capsule daily with food or as directed by one of our health coach professionals.

Side Effects

No adverse side effects have been reported.


Store in a cool, dry place, away from direct light. Keep out of reach of children.


Douglas Laboratories

Douglas Laboratories® researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements, and provides customized practice support. With a 60-year heritage of innovating and designing products to meet the needs of healthcare professionals, we push the potential of both clinical practices and patients to continually perform at their personal best, today and in the future.
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