PlainVitamins

R-Lipoic Acid (Stabilized)

by Pure Encapsulations · capsule · 60 capsules

  • On the market (NIH)
  • UPC 7 66298 00865 3
  • DSLD label 278345
  • Serving 1 capsule
  • 60 servings

R-Lipoic Acid (Stabilized) by Pure Encapsulations lists one ingredient: 100 mg of R-lipoic acid per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in R-Lipoic Acid (Stabilized)?

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).

R-Lipoic Acid (Stabilized): Supplement Facts rows against the market (DSLD label 278345, January 2026 release)
IngredientAmount% DVAmong products listing it
Sodium14 mg1%Sodium in R-Lipoic Acid (Stabilized) against 14,514 products14 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.14 mg

76% of 14,514 products listing sodium give more (median 55 mg). Per day at the most servings: 28 mg.

R-Lipoic Acid100 mgAlpha Lipoic Acid in R-Lipoic Acid (Stabilized) 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). Per day at the most servings: 200 mg.

Source: NIH ODS Dietary Supplement Label Database, label 278345 (entered November 22, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). 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 1 to 2 servings 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
Recommendations: As a dietary supplement, take 1 capsule, 1-2 times daily, with meals.
Warnings
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Gluten-free, Non-GMO & Hypoallergenic
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 278345.

What else is on the label?

Other ingredients: hypoallergenic Plant Fiber, Vegetarian Capsule, Sodium Carbonate, Ascorbyl Palmitate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GFCO.org Certified Gluten-Free by the Gluten-Free Certification Organization, www.gluten.org. Listed with: Certified gluten-free (GFCO) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does R-Lipoic Acid (Stabilized) have?

4 labels are on file under this name since February 25, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 278345 (current) Entered November 22, 2022 · on the market · 60 capsules · UPC 7 66298 00865 3
  2. Label 219151 Entered May 22, 2020 · off the market December 28, 2018 · 60 capsules · UPC 7 66298 00865 3
  3. Label 219153 Entered April 23, 2020 · off the market October 29, 2018 · 120 capsules · UPC 7 66298 00864 6
  4. Label 187587 Entered February 25, 2019 · off the market March 22, 2022 · 60 capsules · UPC 7 66298 00865 3

DSLD also links this label to: R-Lipoic Acid (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 Pure Encapsulations (manufacturer), Sudbury, MA. All Pure Encapsulations products.

Where next?