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Doctor's Best, Best Stabilized R-Lipoic Acid, 200 mg, 60 Veggie Caps

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In Stock
  • Product Code: DRB-00278
  • UPC Code: 753950002784
  • Package Quantity: 60 Veggie Caps
  • Dimensions: 2.1 x 2.1 x 3.6 in, 0.1 lbs (0.05 kg)
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Product Overview


  • Science-Based Nutrition
  • Dietary Supplement
  • Featuring BioEnhanced Na-RALA
  • Defends Against Free Radicals
  • Recycles The Antioxidant Vitamins C & E
  • Maintains A Healthy Blood Sugar Level as Part of The Diet
  • Suitable for Vegetarians

Best Stabilized R-Lipoic Acid contains BioEnhanced Na-RALA, the sodium salt of R-Lipoic acid (RLA). Unlike pure RLA, BioEnhanced Na-RALA is a stabilized form of RLA that won't degrade at high temperatures, is more bioavailable than regular RLA and has no solvent residues.

Lipoic acid (LA) plays an important role in glucose metabolism and energy production. Because it is soluble in both water and fat, LA is known as the "universal antioxidant". LA occurs in two forms, designated as "R" and "S". Studies suggest that RLA, the natural form, is more biologically active than the S form.

Suggested Use

Adult Use: Take 1 capsule daily with or without food, or as directed by a nutritional informed physician.

Other Ingredients

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

Contains nothing other than listed ingredients.


Note: The RLA in this product is stabilized with Na (sodium). However, one serving of this product contains less than 1% of the Daily Value for sodium, an insignificant contribution to dietary sources. Research suggests that sodium may impact blood pressure in some individuals only when it is consumed as sodium chloride (NaCl, table salt) and not in other forms. The sodium in this product is unlikely to affect blood pressure levels.

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 250 mg Sodium R-alpha Lipoate (BioEnhanced Na-RALA)) 200 mg
† Daily Value not established.
iHerb Customer Reviews
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A bit pricey, but well worth it

Posted by Reviewer2097871 on May 28, 2016

Researched before purchase, and have been very happy with it. Definately delivers. Would recommend to anyone

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This is an excellent product, and 200 mg is a lot!

Posted by Reviewer3343479 on Sep 25, 2012

This is an excellent product and is one of the very most important supplements anyone can take. The patent holder, Geronova, has amazing alternatives on their site that are even better, such as liquid potassium-R-lipoic. Hey iHerb - please carry the full Geronova product line!

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R-Lipoic Acid is AMAZING

Posted by Reviewer2453856 on Sep 21, 2012

I always feel an energy boost whenever I take this and it has so many benefits that I can't be without it.

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Universal antioxidant

Posted by sweetheart on Jul 06, 2012

R-lipoic acid acts in many different roles in your body: it chelates heavy metals, protects your brain and nervous system, lowers blood sugar (and can thereby help lose weight), acts as a very powerful and long-lasting antioxidant, recycles other antioxidants back to active form and so on... Great detoxifier and universal antioxidant! Has made me feel much more energetic!

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