MFP-144 Liquid

by Douglas Laboratories · liquid · 1 fl. Oz.

  • On the market (NIH)
  • DSLD label 8619
  • Serving 50 to 100 mg (1 drop (approx. 50 mg)); amounts per 50 mg
  • 500 servings

MFP-144 Liquid by Douglas Laboratories lists one ingredient: 50 mg of grapefruit seed extract per serving of 50 mg. Its current label entered the NIH Dietary Supplement Label Database on June 1, 2012.

What is in MFP-144 Liquid?

Each row as the label prints it, per serving of 50 mg. 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).

MFP-144 Liquid: Supplement Facts rows against the market (DSLD label 8619, January 2026 release)
IngredientAmount% DVAmong products listing it
Grapefruit Seed Extractas Citricidal50 mgGrapefruit in MFP-144 Liquid against 220 products50 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.50 mg

68% of 220 products listing grapefruit give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 8619 (entered June 1, 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?

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?

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 Usage: As a dietary supplement, adults take as directed by your healthcare professional ONLY!
Warnings
KEEP OUT OF REACH OF CHILDREN
Tamper resistant package, do not use if seal around cap is broken or missing.
Caution: Use diluted only. Do not use full strength in eyes, ears, mouth or other sensitive areas. Add 1-2 drops of MFP-144 with 6-8 oz. of purified water--follow recommendation of physician only!
Storage
DO NOT FREEZE. For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Source: label statements in DSLD label 8619.

How many labels does MFP-144 Liquid have?

One label is on file, entered on June 1, 2012.

  1. Label 8619 (current) Entered June 1, 2012 · on the market · 1 fl. Oz.

DSLD also links this label to: MFP-144 Liquid Wide Spectrum Anti-M.F.P. (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 Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?