PlainVitamins

R-Lipoic Acid 100 mg

by Natural Factors · capsule · 60 vegetarian capsules

  • On the market (NIH)
  • UPC 0 68958 02094 5
  • DSLD label 75413
  • Serving 1 vegetarian capsule

R-Lipoic Acid 100 mg by Natural Factors lists one ingredient: 100 mg of R-alpha lipoic acid per serving of 1 vegetarian capsule. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2017.

What is in R-Lipoic Acid 100 mg?

Each row as the label prints it, per serving of 1 vegetarian 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 100 mg: Supplement Facts rows against the market (DSLD label 75413, January 2026 release)
IngredientAmount% DVAmong products listing it
Sodium15 mg1%Sodium in R-Lipoic Acid 100 mg against 14,514 products15 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.15 mg

72% of 14,514 products listing sodium give more (median 55 mg). Per day at the most servings: 30 mg.

R-Alpha Lipoic Acid100 mgAlpha Lipoic Acid in R-Lipoic Acid 100 mg 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 75413 (entered July 25, 2017), 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 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
Suggested Usage: 1 capsule 2 times per day or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.
Keep out of the reach of children.
Sealed for your protection. Do not use if seal is broken.
Allergens and what it does not contain
Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, tree nuts, or GMOs.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 75413.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Vegetarian Capsule, Magnesium Stearate, Silica.

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

How many labels does R-Lipoic Acid 100 mg have?

4 labels are on file under this name since August 26, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 75413 (current) Entered July 25, 2017 · on the market · 60 vegetarian capsules · UPC 0 68958 02094 5
  2. Label 75410 Entered June 23, 2017 · on the market · 30 vegetarian capsules · UPC 0 68958 02093 8
  3. Label 36561 Entered August 26, 2014 · off the market May 6, 2017 · 60 vegetarian capsules · UPC 0 68958 02094 5
  4. Label 36560 Entered August 26, 2014 · off the market May 6, 2017 · 30 vegetarian capsules · UPC 0 68958 02093 8

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

Who makes it?

The label names Natural Factors Canada (manufacturer). All Natural Factors products.

Where next?