The most active form of alpha-lipoic acid to support healthy nerve and brain function*
R-Lipoic Acid is the most active isomer of alpha-lipoic acid, which is a versatile antioxidant.* It has important characteristics that contribute to liver, nerve, and eye health.*
Alpha-lipoic acid occurs naturally as a 50/50 mixture of R-lipoic acid (R-ALA) and S-lipoic acid (S-ALA). R-lipoic acid by itself functions as an essential cofactor for many enzymes involved in energy production.* It also has characteristics, including significant antioxidant effects, that contribute to liver, brain, nerve, and eye health.* Studies indicate that supplements containing only R-lipoic acid appear to be better absorbed than supplements containing both R-lipoic acid and S-lipoic acid, with results showing twice as much ALA appearing in the bloodstream after an oral dose of R-Lipoic acid.* Because R-Lipoic acid is the form best utilized by the body, Thorne provides R-lipoic acid bound to sodium, providing it in its most stable, absorbable form.*
Alpha-lipoic acid, also known as thioctic acid, was discovered in 1951 as a molecule that assists in acyl-group transfer and as a coenzyme in the Krebs Cycle. In the 1980s, the scientific community realized that alpha-lipoic acid is also a powerful antioxidant.* What sets ALA apart from other fatty acids is that it's an antioxidant in both fat- and water-soluble environments, and it's also an antioxidant in both its oxidized and reduced forms.* This is unlike vitamin C, for instance, which is a water-soluble antioxidant, as well as vitamin E, which is a fat-soluble antioxidant. ALA also increases intracellular glutathione and CoQ10 levels.* Its other mechanisms of action include promoting normal protein glycosylation and inhibiting the enzyme aldose reductase, which in turn inhibits conversion of glucose to sorbitol.*
*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.
Take 1 capsule one to two times daily or as recommended by your health professional.
If you are pregnant, nursing, taking medications or have a medical condition, please consult your healthcare practitioner before use. Keep out of the reach of children.
Safety-sealed for your protection and for product freshness. Do not use if outer seal is missing or broken. Store in cool, dry place.
|Serving size||1 capsule|
|Servings per container||60|
|R-Lipoic Acid (as Sodium R-Lipoic Acid)||100 mg||†|
|Other Ingredients: Hypromellose (derived from cellulose) capsule‚ Microcrystalline Cellulose‚ Magnesium Citrate‚ Calcium Laurate‚ Silicon Dioxide‚ Leucine.|
* % Daily Values are based on a 2,000 calorie diet.
† Daily Value not established
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