Fibronol

by NutriCology · capsule · 150 vegetarian capsules

  • On the market (NIH)
  • UPC 7 13947 55790 1
  • DSLD label 235618
  • Serving 2 capsules
  • 75 servings

Fibronol by NutriCology lists 5 ingredients, 5 with an amount per serving of 2 capsules, such as 20 mg of thiamine, 6 mg of magnesium, 400 mg of ecklonia cava extract and 80 mg of malic acid. Its current label entered the NIH Dietary Supplement Label Database on October 23, 2020.

What is in Fibronol?

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

Fibronol: Supplement Facts rows against the market (DSLD label 235618, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine HydrochlorideThiamine (Form: as Thiamine Hydrochloride)20 mg1,667%Thiamin in Fibronol against 9,830 products20 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg20 mg

Higher than 69% of 9,830 products listing thiamin (median 5 mg). Per day at the most servings: 60 mg.

Magnesiumas Magnesium MalateMagnesium (Form: as Magnesium Malate)6 mg1%Magnesium in Fibronol against 14,003 products6 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg6 mg

96% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 18 mg.

Ecklonia cava extract400 mg
Malic Acid80 mgMalic Acid in Fibronol against 235 products80 mg per serving; the middle half of products list 222 mg to 1,200 mg, the median 588 mg.80 mg

91% of 235 products listing malic acid give more (median 588 mg). Per day at the most servings: 240 mg.

Aloe vera (leaves) extractAloe vera (leaves) extract PlantPart: leaves Genus: Aloe Species: vera Note: 200:160 mgAloe in Fibronol against 523 products60 mg per serving; the middle half of products list 25 mg to 200 mg, the median 51 mg.60 mg

Higher than 51% of 523 products listing aloe (median 51 mg). Per day at the most servings: 180 mg.

Source: NIH ODS Dietary Supplement Label Database, label 235618 (entered October 23, 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?

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:

  • 96% of the 14,003 products that print an amount of magnesium list more than its 6 mg of magnesium (median 86 mg).
  • 91% of the 235 products that print an amount of malic acid list more than its 80 mg of malic acid (median 588 mg).

The NIH database records 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?

1 product lists 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 As a dietary supplement, 2 capsules three times daily before meals, or as directed by a healthcare practitioner.
Warnings
Do not exceed 12 capsules in a 24 hour period.
Not recommended for children under 12 years of age unless under the care of a physician.
Warning: Consuming this product can expose you to lead which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food
Storage
Keep in a cool, dry place, tightly capped.

Source: label statements in DSLD label 235618.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, L-Leucine.

How many labels does Fibronol have?

3 labels are on file under this name since April 25, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 235618 (current) Entered October 23, 2020 · on the market · 150 vegetarian capsules · UPC 7 13947 55790 1
  2. Label 235616 Entered October 23, 2020 · on the market · 150 vegetarian capsules · UPC 7 13947 55790 1
  3. Label 199407 Entered April 25, 2019 · off the market August 4, 2020 · 150 vegetarian capsules · UPC 7 13947 55790 1

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

Who makes it?

The label names NutriCology (distributor), South Salt Lake, UT. All NutriCology products.

Where next?