PlainVitamins

Fibro Plus

by Priority One Nutritional Supplements · capsule · 90 vegetarian capsules

  • On the market (NIH)
  • UPC 8 15354 02054 9
  • DSLD label 277359
  • Serving 2 vegetarian capsules
  • 45 servings

Fibro Plus by Priority One Nutritional Supplements lists 3 ingredients, 3 with an amount per serving of 2 vegetarian capsules, such as 200 mg of magnesium, 300 mg of malic acid and 50 mg of L-glycine. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in Fibro Plus?

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).

Fibro Plus: Supplement Facts rows against the market (DSLD label 277359, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Malate, Magnesium Oxide200 mg48%Magnesium in Fibro Plus against 14,003 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg200 mg

Higher than 75% of 14,003 products listing magnesium (median 86 mg).

Malic Acid300 mgMalic Acid in Fibro Plus against 235 products300 mg per serving; the middle half of products list 222 mg to 1,200 mg, the median 588 mg.300 mg

61% of 235 products listing malic acid give more (median 588 mg).

L-Glycine50 mgGlycine in Fibro Plus against 1,078 products50 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.50 mg

79% of 1,078 products listing glycine give more (median 300 mg).

Source: NIH ODS Dietary Supplement Label Database, label 277359 (entered November 22, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). 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 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?

The products whose ingredient lists overlap most with Fibro Plus'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
Recommendations: Take two (2) capsules daily, or as directed by a physician.
Warnings
Warning: If you are pregnant or breast feeding, consult your physician before using this product.
Keep out of reach of children.
Allergens and what it does not contain
Contains no preservatives.
Non-GMO
Storage
Keep container tightly closed, store in a cool, dry place.

Source: label statements in DSLD label 277359.

What else is on the label?

Other ingredients: Rice Flour, Silicon Dioxide, Hypromellose, Water, Purified.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Certified.

How many labels does Fibro Plus have?

2 labels are on file under this name since September 25, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 277359 (current) Entered November 22, 2022 · on the market · 90 vegetarian capsules · UPC 8 15354 02054 9
  2. Label 235734 Entered September 25, 2020 · off the market March 16, 2022 · 90 vegetarian capsules · UPC 8 15354 02054 9

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

Who makes it?

The label names Priority One Nutritional Supplements, Inc. (distributor). All Priority One Nutritional Supplements products.

Where next?