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Doctor's Best Best Stabilized R-Lipoic Acid - 60 Veggie Caps

Alpha-lipoic acid is a naturally occurring vitamin-like nutrient that has been intensely investigated as a beneficial agent for a variety of bodily functions involving the nervous, cardiovascular, immune, and detoxification system.

  • It is produced in small amounts in the liver and other body tissues, where it is needed by enzymes to catalyze numerous essential chemical reactions in the body.
  • ALA is essential inside the mitochondria of cells, where it is needed to metabolize glucose and direct calories into energy production
  • ALA is considered to be a multimodal supplement because, aside from its enzymatic role in energy production, it acts by multiple mechanisms and displays diverse health-enhancing and antioxidant properties
  • Gluten Free, Non-GMO, Vegan
  • Label images may vary

Supports the body’s defense against free radicals. Recycles antioxidant nutrients such as Vitamin C and Vitamin E. An ideal antioxidant would have the ability to quench a wide variety of free radicals, to support the functioning of other antioxidants, to bind or “chelate” metal ions that can generate free radicals, to function in watery and fatty environments, and to be present in tissues, cells, and extracellular spaces. Having exceeded these criteria, Lipoic Acid was termed the “universal antioxidant.” As a team, LA and DHLA come close to the ideal, for the following reasons: 1)

LA is easily absorbed when consumed orally. 2) LA is readily converted to DHLA in various tissues. 3) As a pair, LA and DHLA neutralize superoxide, hydroxyl, peroxyl, and hypochlorus radicals. 4) LA and DHLA form stable complexes with metal ions such as iron, manganese, copper and zinc ions. 5) LA and DHLA scavenge free radicals in both fatty and watery environments. 6) DHLA recycles other important antioxidants. Within the cell, antioxidants work as a team to keep free radicals from damaging cell structures.

In order to neutralize a free radical, an antioxidant such as vitamin C must give up an electron, which means it becomes oxidized. Before it can function as an antioxidant once again, it must be regenerated back to its "reduced" form by gaining an electron to replace the donated electron. For this, it needs the help of other antioxidants. Vitamin C, vitamin E, and glutathione are key antioxidants that can be generated by cycling between their oxidized and reduced forms. This is necessary to maintain the balance between oxidation and its reverse––the neutralization of free radicals by antioxidants.

sted Use



Take 1 - 2 capsules daily with or without food, or as directed by a nutritionally informed physician.


Supplement Facts
Serving Size: 1 capsule
Servings Per Container: 60 servings
  Amount per serving % Daily Value
D-Biotin 150 mcg 50%
R-Lipoic acid     (from 125 mg Sodium R-alpha Lipoate (BioEnhanced Na-RALA) 100 mg
† Daily Value not established.
Other Ingredients

Modified cellulose (vegetarian capsule), rice powder, microcrystalline cellulose, magnesium stearate (vegetable source), silicon dioxide.

Contains nothing other than listed ingredients

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