R-Lipoic Acid
by Pure Encapsulations · capsule · 120 capsules
- On the market (NIH)
- UPC 7 66298 00864 6
- DSLD label 183259
- Serving 1 capsule
- 120 servings
R-Lipoic Acid 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 21, 2018.
What is in 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Sodium | 14 mg | 1% | 76% of 14,514 products listing sodium give more (median 55 mg). Per day at the most servings: 28 mg. |
| R-Lipoic Acid | 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 183259 (entered November 21, 2018), 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 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.
- R-Lipoic AcidDouglas Laboratories same ingredients
- R-Lipoic Acid (Stabilized)Pure Encapsulations same ingredients
- R-Lipoic Acid 100 mgNatural Factors same ingredients
- Na R-Lipoic Acid 115 mgGeronova Research same ingredients
- Super R-Lipoic Acid 240 mgLife Extension same ingredients
- Na R-Lipoic Acid Maximum Strength 300 mgGeronova Research same ingredients
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
- Certified Gluten-Free by the Gluten-Free Certification Organization, www.gluten.org
- Gluten-free, Non-GMO & Hypoallergenic
- Storage
- Store in a cool, dry area.
Source: label statements in DSLD label 183259.
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): GF. 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 have?
One label is on file, entered on November 21, 2018.
- Label 183259 (current) Entered November 21, 2018 · on the market · 120 capsules · UPC 7 66298 00864 6
DSLD also links this label to: R-Lipoic Acid (Stabilized) (package size difference, same product), R-Lipoic Acid (Stabilized) (package size difference, same product), R-Lipoic Acid (Stabilized) (image difference, same product), R-Lipoic Acid (Stabilized) (package size difference, same product), R-Lipoic Acid (Stabilized) (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.