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Doctor's Best, Best Stabilized R-Lipoic Acid, 100 mg, 180 Veggie Caps

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Doctor's Best, Best Stabilized R-Lipoic Acid, 100 mg, 180 Veggie Caps

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Doctor's Best, Best Stabilized R-Lipoic Acid, 100 mg, 180 Veggie Caps

In Stock
100 mg
100 mg
200 mg
180 Vegetarian Capsules
60 Vegetarian Capsules
180 Vegetarian Capsules
  • Expiration Date: 02/2020
  • Shipping Weight:
    0.18 lbs
    Switch to Metric units
  • Product Code: DRB-00229
  • UPC Code: 753950002296
  • Package Quantity: 180 Vegetarian Capsules
  • Dimensions:
    2.4 x 2.4 x 4.3 in, 0.15 lbs
    Switch to Metric units
Frequently Purchased Together
Product Overview


  • Science-Base Nutrition
  • Dietary Supplement
  • Featuring BioEnhanced Na-RALA
  • Defends Against Free Radicals
  • Recycles the Antioxidants 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 one to two capsules daily, or as directed by a nutritionally 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: 180 servings
  Amount per serving % Daily Value
D-Biotin 150 mcg 50%
R-Lipoic acid (from 126 mg sodium R-alpha Lipoate (BioEnhanced Na-RALA)) 100 mg
† Daily Value not established.
iHerb Customer Reviews

The best form of Lipoic Acid

Posted by iHerb Customer on Jan 27, 2018 | Verified Purchase

Generally, Lipoic Acid is one of important anti-oxidants. R-Lipoic Acid is the best form of this anti-oxidant; it is opinion I received from one great scientist that I admire. Additionally I read one scientific research that support this opinion, however the manufacturer was among the research team. Our family use this product for a long time (years). The capsule doesn't include additional not required ingredients, the capsule itself is veggie. The price is slightly high, so I would prefer to buy this powder and to prepare capsules by myself, but I don't succeed to find it yet. I hope Doctor's BEST will introduce such powder before somebody else will do so. And I hope admired iHerb will supply such powder.

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Awesome 👌🏼

Posted by iHerb Customer on Jul 26, 2017 | Verified Purchase

Very effective and efficient (PNB 673(without the space) gets you a LIFETIME Dis€ount and SAVE on every single order when you €heckout on any product on here Thank me later 🙂🙂

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Fast delivery

Posted by iHerb Customer on Jun 27, 2017 | Verified Purchase

Fast delivery by DHL,product looks good,can't wait to try it out.

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will continue to use

Posted by iHerb Customer on Mar 19, 2017 | Verified Purchase

will continue to use.

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R-Lipoic Acid 100mg

Posted by iHerb Customer on Feb 25, 2017 | Verified Purchase

Competitively priced. Good value. Good customer service. Delivery can be a bit delayed for overseas orders.

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