PlainVitamins

Ultra-Lax Herbal Laxative

by Natural Factors · tablet or pill · 90 tablets

  • Off the market since July 2014 (NIH)
  • UPC 0 68958 04110 0
  • DSLD label 9372
  • Serving 1 tablet

Ultra-Lax Herbal Laxative by Natural Factors lists 7 ingredients, 7 with an amount per serving of 1 tablet, such as 120 mg of calcium, 60 mg of senna, 130 mg of cascara sagrada and 40 mg of licorice. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2012.

What is in Ultra-Lax Herbal Laxative?

Each row as the label prints it, per serving of 1 tablet. 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).

Ultra-Lax Herbal Laxative: Supplement Facts rows against the market (DSLD label 9372, January 2026 release)
IngredientAmount% DVAmong products listing it
Calcium120 mg10%Calcium in Ultra-Lax Herbal Laxative against 17,831 products120 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg120 mg

Higher than 51% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 240 mg.

SennaSenna PlantPart: leaf Genus: Cassia Species: angustifolia Note: powdered extract 4:160 mgAlexandrian senna in Ultra-Lax Herbal Laxative against 197 products60 mg per serving; the middle half of products list 125 mg to 720 mg, the median 285 mg.60 mg

86% of 197 products listing alexandrian senna give more (median 285 mg). Per day at the most servings: 120 mg.

Cascara SagradaCascara Sagrada PlantPart: bark Genus: Rhamnus Species: purshiana Note: powdered130 mg
LicoriceLicorice PlantPart: root Genus: Glycyrrhiza glabra Note: powdered40 mgLicorice in Ultra-Lax Herbal Laxative against 888 products40 mg per serving; the middle half of products list 42 mg to 300 mg, the median 100 mg.40 mg

75% of 888 products listing licorice give more (median 100 mg). Per day at the most servings: 80 mg.

PeppermintPeppermint PlantPart: leaf Genus: Mentha Species: piperita Note: powdered15 mg
GentianGentian PlantPart: root Genus: Gentiana Species: lutea Note: powdered5 mgGentian in Ultra-Lax Herbal Laxative against 103 products5 mg per serving; the middle half of products list 20 mg to 122.5 mg, the median 60 mg.5 mg

97% of 103 products listing gentian give more (median 60 mg). Per day at the most servings: 10 mg.

RhubarbRhubarb PlantPart: root Genus: Rheum Species: palmatum Note: powdered4 mgChinese Rhubarb in Ultra-Lax Herbal Laxative against 86 products4 mg per serving; the middle half of products list 33 mg to 450 mg, the median 100 mg.4 mg

95% of 86 products listing chinese rhubarb give more (median 100 mg). Per day at the most servings: 8 mg.

Peppermint Oil1.2 mgPeppermint in Ultra-Lax Herbal Laxative against 278 products1.2 mg per serving; the middle half of products list 20 mg to 207.5 mg, the median 50 mg.1.2 mg

98% of 278 products listing peppermint give more (median 50 mg). Per day at the most servings: 2.4 mg.

Source: NIH ODS Dietary Supplement Label Database, label 9372 (entered June 25, 2012), 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:

  • 97% of the 103 products that print an amount of gentian list more than its 5 mg of gentian (median 60 mg).
  • 95% of the 86 products that print an amount of chinese rhubarb list more than its 4 mg of chinese rhubarb (median 100 mg).
  • 98% of the 278 products that print an amount of peppermint list more than its 1.2 mg of peppermint (median 50 mg).

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?

2 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 tablet at bedtime. If bowel does not act by mid-morning of the following day, take another tablet. Do not take any type of laxative for more than 1 week, unless specified by a health professional. Not to be taken within 2 hours of other medicines.
Warnings
Sealed for your protection. Do not use if seal on cap is broken.
Caution: Do not use if you have or develop diarrhea, loose stools, abdominal pain, nausea, fever, vomiting or other symptoms of appendicitis. Overuse or extended use may cause dependence for bowel function. Do not use during pregnancy.
Keep out of reach of children.
Allergens and what it does not contain
Contains no artificial preservatives, color or sweeteners; no corn, dairy, soy, wheat or yeast.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 9372.

What else is on the label?

Other ingredients: Di-Calcium Phosphate, Cellulose, Calcium Carbonate, Calcium Silicate, Croscarmellose Sodium, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): (recycle) Recyclable container and label; Purity & Potency Guaranteed.

How many labels does Ultra-Lax Herbal Laxative have?

One label is on file, entered on June 25, 2012.

  1. Label 9372 (current) Entered June 25, 2012 · off the market July 15, 2014 · 90 tablets · UPC 0 68958 04110 0

DSLD also links this label to: HerbalFactors Ultra-Lax (image difference, same product), Ultra-Lax (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 Natural Factors Canada (manufacturer). All Natural Factors products.

Where next?