PlainVitamins

Cat's Claw

by Pure Encapsulations · capsule · 180 capsules

  • On the market (NIH)
  • UPC 7 66298 00562 1
  • DSLD label 295503
  • Serving 1 capsule
  • 180 servings

Cat's Claw by Pure Encapsulations lists one ingredient: 450 mg of Cat's claw inner vine bark extract per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on July 18, 2023.

What is in Cat's Claw?

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).

Cat's Claw: Supplement Facts rows against the market (DSLD label 295503, January 2026 release)
IngredientAmount% DVAmong products listing it
Cat's Claw Inner Vine Bark Extractas Uncaria tomentosa Inner Vine Bark Extract, Oxindole Alkaloidsstandardized to contain 3% Oxindole Alkaloids450 mgCat's Claw in Cat's Claw against 300 products450 mg per serving; the middle half of products list 45 mg to 500 mg, the median 200 mg.450 mg

Higher than 72% of 300 products listing Cat's claw (median 200 mg). Per day at the most servings: 1,350 mg.

Source: NIH ODS Dietary Supplement Label Database, label 295503 (entered July 18, 2023), 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 3 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 with any dietary supplement, take 1 capsule, 1-3 times daily, with meals, or as directed by a health professional.
Warnings
Warning: Not to be taken by pregnant or lactating women. If you 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 place.

Source: label statements in DSLD label 295503.

What else is on the label?

Other ingredients: Cellulose, Water, Ascorbyl Palmitate.

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

How many labels does Cat's Claw have?

6 labels are on file under this name since November 21, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 295503 (current) Entered July 18, 2023 · on the market · 180 capsules · UPC 7 66298 00562 1
  2. Label 293929 Entered May 24, 2023 · on the market · 90 capsules · UPC 7 66298 00563 8
  3. Label 219505 Entered May 22, 2020 · off the market March 15, 2020 · 180 capsules · UPC 7 66298 00562 1
  4. Label 219500 Entered May 22, 2020 · off the market March 15, 2020 · 90 capsules · UPC 7 66298 00563 8
  5. Label 184385 Entered January 7, 2019 · off the market July 21, 2022 · 180 capsules · UPC 7 66298 00562 1
  6. Label 183937 Entered November 21, 2018 · off the market July 21, 2022 · 90 capsules · UPC 7 66298 00563 8

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?