Horse Chestnut Extract

by 21st Century · capsule · 60 vegetarian capsules

  • On the market (NIH)
  • UPC 7 40985 21781 8
  • DSLD label 205825
  • Serving 2 vegetarian capsules
  • 30 servings

Horse Chestnut Extract by 21st Century lists one ingredient: 600 mg of horse chestnut extract per serving of 2 vegetarian capsules. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2019.

What is in Horse Chestnut Extract?

Each row as the label prints it, per serving of 2 vegetarian capsules. 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).

Horse Chestnut Extract: Supplement Facts rows against the market (DSLD label 205825, January 2026 release)
IngredientAmount% DVAmong products listing it
Horse Chestnut extractas Aesculus hippocastanumHorse Chestnut extract (Form: standardized concentrate of Aesculus hippocastanum Genus: Aesculus Species: hippocastanum) PlantPart: seed600 mgHorse Chestnut in Horse Chestnut Extract against 183 products600 mg per serving; the middle half of products list 100 mg to 300 mg, the median 250 mg.600 mg

Higher than 92% of 183 products listing horse chestnut (median 250 mg).

Source: NIH ODS Dietary Supplement Label Database, label 205825 (entered August 23, 2019), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 600 mg of horse chestnut is higher than 92% of the 183 horse chestnut products that print an amount; 8 list more.

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
Directions: As a herbal supplement, adults take two (2) capsules daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.
Warnings
Do not exceed recommended dosage.
Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Stop use and contact a physician if adverse reactions occur.
Keep out of reach of children.
Do not use if product appears to be tampered with or seal is broken.
Allergens and what it does not contain
No added Sugar, Salt, Yeast, Preservatives or Artificial Flavors.
Gluten free
Storage
Store at room temperature.

Source: label statements in DSLD label 205825.

What else is on the label?

Other ingredients: Cellulose, Rice Bran, Oat Fiber, Maltodextrin, Magnesium Silicate, Contains Less Than 2% of.

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

How many labels does Horse Chestnut Extract have?

One label is on file, entered on August 23, 2019.

  1. Label 205825 (current) Entered August 23, 2019 · on the market · 60 vegetarian capsules · UPC 7 40985 21781 8

DSLD also links this label to: Horse Chestnut Seed Extract (image 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 21st Century HealthCare, Inc. (manufacturer), Tempe, AZ. All 21st Century products.

Where next?