PlainVitamins

Regularity Formula

by Natural Factors · capsule · 90 capsules

  • On the market (NIH)
  • UPC 0 68958 04640 2
  • DSLD label 9541
  • Serving 1 capsule

Regularity Formula by Natural Factors lists 6 ingredients, 6 with an amount per serving of 1 capsule, such as 50 mg of cascara, 25 mg of rhubarb, 50 mg of gentian and 50 mg of flax meal. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2012.

What is in Regularity Formula?

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).

Regularity Formula: Supplement Facts rows against the market (DSLD label 9541, January 2026 release)
IngredientAmount% DVAmong products listing it
CascaraCascara PlantPart: bark Genus: Rhamnus Species: purshiana Note: powdered extract50 mgCascara Sagrada in Regularity Formula against 240 products50 mg per serving; the middle half of products list 100 mg to 431.25 mg, the median 175 mg.50 mg

84% of 240 products listing cascara sagrada give more (median 175 mg). Per day at the most servings: 100 mg.

CascarosidesCascarosides Note: 50%25 mg
RhubarbRhubarb PlantPart: root Genus: Rheum Species: officinale Note: powdered extract25 mgChinese Rhubarb in Regularity Formula against 86 products25 mg per serving; the middle half of products list 33 mg to 450 mg, the median 100 mg.25 mg

79% of 86 products listing chinese rhubarb give more (median 100 mg). Per day at the most servings: 50 mg.

CapsicumCapsicum PlantPart: fruit Genus: Capsicum Species: annuum Note: powdered50 mg
GentianGentian PlantPart: root Genus: Gentiana Species: lutea Note: powdered50 mgGentian in Regularity Formula against 103 products50 mg per serving; the middle half of products list 20 mg to 122.5 mg, the median 60 mg.50 mg

50% of 103 products listing gentian give more (median 60 mg). Per day at the most servings: 100 mg.

Flax mealFlax meal PlantPart: seed Genus: Linum Species: usitatissimum Note: powdered50 mgFlax in Regularity Formula against 359 products50 mg per serving; the middle half of products list 50 mg to 1,000 mg, the median 200 mg.50 mg

75% of 359 products listing flax give more (median 200 mg). Per day at the most servings: 100 mg.

Peppermint oil1.2 mgPeppermint in Regularity Formula 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 9541 (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:

  • 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 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?

The products whose ingredient lists overlap most with Regularity Formula's, rare ingredients counting for more.

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: Take 1 capsule 2 times per day or as directed by a health professional.
Warnings
Sealed for your protection. Do not use if seal is broken.
Keep out of reach of children.
Warning: Regularity formula should not be used for long-term use.
Not recommended for pregnant women or nursing mothers.
Allergens and what it does not contain
Contains no artificial preservatives, color, dairy, sweeteners, starch, wheat or yeast.
Storage
For freshness store in a cool, dry place.

Source: label statements in DSLD label 9541.

What else is on the label?

Other ingredients: Gelatin capsule, Cellulose.

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

How many labels does Regularity Formula have?

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

  1. Label 9541 (current) Entered June 25, 2012 · on the market · 90 capsules · UPC 0 68958 04640 2

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?