PlainVitamins

Rhubarb

by Herb Pharm · liquid · 1 fluid ounce

  • On the market (NIH)
  • UPC 0 90800 00058 4
  • DSLD label 220651
  • Serving 0.7 ml (1 dropper squeeze)
  • 42 servings

Rhubarb by Herb Pharm lists one ingredient: 623 mg of rhubarb rhizome w/root (rheum palmatum) extract per serving of 0.7 ml. Its current label entered the NIH Dietary Supplement Label Database on May 22, 2020.

What is in Rhubarb?

Each row as the label prints it, per serving of 0.7 ml. 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).

Rhubarb: Supplement Facts rows against the market (DSLD label 220651, January 2026 release)
IngredientAmount% DVAmong products listing it
Rhubarb rhizome w/root (Rheum palmatum) extractRhubarb rhizome w/root (Rheum palmatum) extract PlantPart: rhizome w/root Genus: Rheum Species: palmatum Note: (certified organic) (Extraction rate 175 mg herb per 0.7 ml.)623 mgChinese Rhubarb in Rhubarb against 86 products623 mg per serving; the middle half of products list 33 mg to 450 mg, the median 100 mg.623 mg

Higher than 79% of 86 products listing chinese rhubarb (median 100 mg). Per day at the most servings: 1,869 mg.

Source: NIH ODS Dietary Supplement Label Database, label 220651 (entered May 22, 2020), 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 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
Suggested use Shake well before using Add 1 full squeeze of the dropper bulb to 2 oz. of water or juice, 2 or 3 times per day. Best taken between meals.
Warnings
Caution: Seek expert medical advice before taking during pregnancy or nursing.
Not for use in intestinal obstruction, abdominal pain of unknown origin, intestinal inflammation or during menstruation.
Not for use in excess of 8 consecutive days or in children less than 12 years of age. Keep out of the reach of children
Allergens and what it does not contain
Gluten-free
Storage
Store away from heat & light

Source: label statements in DSLD label 220651.

What else is on the label?

Other ingredients: certified organic Cane Alcohol, distilled Water.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): USDA Organic. Listed with: USDA Organic seal (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Rhubarb have?

6 labels are on file under this name since August 23, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 220651 (current) Entered May 22, 2020 · on the market · 1 fluid ounce · UPC 0 90800 00058 4
  2. Label 210214 Entered December 22, 2019 · on the market · 4 fl. Oz. · UPC 0 90700 00217 6
  3. Label 61924 Entered June 24, 2016 · off the market May 5, 2020 · 1 fluid ounce · UPC 0 90800 00058 4
  4. Label 39749 Entered November 25, 2014 · off the market November 6, 2019 · 4 fl. Oz. · UPC 0 90700 00217 6
  5. Label 32666 Entered April 25, 2014 · off the market June 1, 2016 · 1 fluid ounce · UPC 0 90800 00058 4
  6. Label 24339 Entered August 23, 2013 · off the market November 3, 2014 · 4 fl. Oz. · UPC 0 90700 00217 6

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

Who makes it?

The label names Herb Pharm (manufacturer), Williams, OR. All Herb Pharm products.

Where next?