Best Stabilized R-Lipoic Acid

by Doctor's Best · capsule · 180 veggie caps

  • Off the market since May 2016 (NIH)
  • UPC 7 53950 00229 6
  • DSLD label 62240
  • Serving 1 to 2 capsules; amounts per 1 capsule
  • 180 servings

Best Stabilized R-Lipoic Acid by Doctor's Best lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 150 mcg of D-biotin and 100 mg of R-lipoic acid. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2016.

What is in Best Stabilized R-Lipoic Acid?

Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Best Stabilized R-Lipoic Acid: Supplement Facts rows against the market (DSLD label 62240, January 2026 release)
IngredientAmount% DVAmong products listing it
D-Biotin150 mcg50%Biotin in Best Stabilized R-Lipoic Acid against 9,447 products150 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg150 mcg

51% of 9,447 products listing biotin give more (median 200 mcg).

R-Lipoic acid100 mgAlpha Lipoic Acid in Best Stabilized R-Lipoic Acid against 2,407 products100 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.100 mg

Higher than 56% of 2,407 products listing alpha lipoic acid (median 50 mg).

Sodium R-Alpha Lipoate125 mg

Source: NIH ODS Dietary Supplement Label Database, label 62240 (entered June 24, 2016), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Adult Use: Take 1 to 2 capsules daily with or without food, or as directed by a nutritionally-informed physician.
Allergens and what it does not contain
Non-GMO and Gluten Free

Source: label statements in DSLD label 62240.

What else is on the label?

Other ingredients: Modified Cellulose, Rice powder, Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegan.

How many labels does Best Stabilized R-Lipoic Acid have?

One label is on file, entered on June 24, 2016.

  1. Label 62240 (current) Entered June 24, 2016 · off the market May 2, 2016 · 180 veggie caps · UPC 7 53950 00229 6

DSLD also links this label to: Best Stabilized R-Lipoic Acid 100 mg (package size difference, same product), Best Stabilized R-Lipoic Acid 100 mg (package size difference, same product), Best Stabilized R-Lipoic Acid 100 mg (image difference, same product), Best Stabilized R-Lipoic Acid 100 mg (package size difference, same product), Stabilized R-Lipoic Acid 100 mg (package size difference, same product), Stabilized R-Lipoic Acid 100 mg (package size difference, same product), Stabilized R-Lipoic Acid 100 mg (image difference, same product), Stabilized R-Lipoic Acid 100 mg (package size difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Doctor's Best, Inc. (distributor), San Clemente, CA. All Doctor's Best products.

Where next?