R-Lipoic Acid (stabilized)
Stabilized R-lipoic acid for antioxidant and metabolic support
Retail: $737.0 – $1,359.0Price range: $737.0 through $1,359.0
FREE FROM
Pure Encapsulations® products are formulated using high-quality, pure ingredients, FREE FROM unnecessary additives and many common allergens including:
Wheat, Soy, Dairy, Eggs
Artificial Colors & Sweeteners
Coatings & Shellacs
GMOs††
Tree Nuts, Peanuts & Sesame
Unnecessary Binders, Fillers & Preservatives
Magnesium Stearate
Gluten
Trans Fat & Hydrogenated Oils
Sodium R-alpha-lipoic acid is a highly bioavailable and stabilized form of R-lipoic acid. Regular R-lipoic acid is heat sensitive and may polymerize extensively, decreasing its absorption significantly. In real-time stability tests, sodium R-lipoic remained stable for 12 months. The natural R isomer of alpha-lipoic acid may provide enhanced antioxidant activity, energy production, and general metabolic function. In a recent in vitro study at the Buck Institute for Aging in California, R-lipoic acid moderated oxidative stress in neurons. Additional studies suggest that R-lipoic acid offers support for glucose metabolism in skeletal muscle. A University of California Berkeley study indicates that R-lipoic acid may be protective against age-related oxidative stress in the liver. Furthermore, a study at Oregon State University established a potential role for R-lipoic acid in protecting the heart from age-related oxidative stress.
- ANTIOXIDANT PROTECTION: Provides a highly stable and bioavailable form of R-lipoic acid, with the potential for enhanced antioxidant protection and metabolic support
- NEUTRALIZE FREE RADICALS: Supports neutralization of free radicals and healthy cellular activity
- LIVER AND HEART SUPPORT: Studies have shown that R-lipoic acid provides support against age-related oxidative stress in the liver and heart
Indications
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- Ages 18 and up
- Cellular energy and metabolic health support
- Antioxidant support
Suggested Use
As a dietary supplement, take 1 capsule, 1-2 times daily, with meals.

Verifiable Science
Sodium R-alpha-lipoic acid is a highly bioavailable and stabilized form of R-lipoic acid. Regular R-lipoic acid is heat sensitive and may polymerize extensively, decreasing its absorption significantly. In real-time stability tests, sodium R-lipoic acid remained stable for 12 months. The natural R isomer of alpha-lipoic acid may provide enhanced antioxidant activity, while supporting energy production and general metabolic function.1 Studies suggest that R-lipoic acid promotes glucose metabolism in skeletal muscle.2 A University of California Berkeley study indicates that R-lipoic acid may be protective against age-related oxidative stress in the liver.3 Furthermore, a study at Oregon State University established a potential role for R-lipoic acid in protecting the heart from age related oxidative stress.4‡
References
- Carlson C, et al. Altern Med Rev. 2007 Dec;12(4):343-51.
- Saengsirisuwan V, et al. Am J Physiol Endocrinol Metab. 2004 Sep;287(3):E529-36
- Hagen ™, et al. SEB J. 1999 Feb;13(2):411-8
- Suh JH, et al. FASEB J. 2001 Mar;15(3):700-6.
FREE FROM
Pure Encapsulations® products are formulated using high-quality, pure ingredients, FREE FROM unnecessary additives and many common allergens including:
