Grifron Maitake

by Mushroom Wisdom · other (e.g. tea bag) · 120 vegetarian caplets

  • On the market (NIH)
  • UPC 7 91014 10112 7
  • DSLD label 182513
  • Serving 3 to 4 caplets; amounts per 4 caplets
  • 30 servings

Grifron Maitake by Mushroom Wisdom lists 2 ingredients, 2 with an amount per serving of 4 caplets, such as 2,000 mg of maitake (grifola frondosa) fruiting body powder and 80 mg of vitamin C. Its current label entered the NIH Dietary Supplement Label Database on October 25, 2018.

What is in Grifron Maitake?

Each row as the label prints it, per serving of 4 caplets. 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).

Grifron Maitake: Supplement Facts rows against the market (DSLD label 182513, January 2026 release)
IngredientAmount% DVAmong products listing it
Maitake (Grifola frondosa) fruiting body powder2,000 mgMaitake Mushroom in Grifron Maitake against 327 products2,000 mg per serving; the middle half of products list 30 mg to 200 mg, the median 100 mg.2,000 mg

Higher than 98% of 327 products listing maitake mushroom (median 100 mg).

Vitamin C80 mg133%Vitamin C in Grifron Maitake against 18,583 products80 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg80 mg

61% of 18,583 products listing vitamin C give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 182513 (entered October 25, 2018), 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:

  • Its 2,000 mg of maitake (grifola frondosa) fruiting body powder (filed by NIH under maitake mushroom) is higher than 98% of the 327 maitake mushroom products that print an amount; 3 list more.

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?

4 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
Directions: Take 3-4 caplets daily.
Warnings
Warning: Keep out of reach of children.
Consult a physician before using if pregnant or nursing.
Do not use if seal is broken or missing.
Allergens and what it does not contain
Contains no gluten, wheat, soy, dairy, artificial colors, flavors or preservatives.
Storage
Store in a cool dry place.

Source: label statements in DSLD label 182513.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Hydroxypropyl Cellulose, Croscarmellose Sodium, Calcium Stearate, Silicon Dioxide, Hydroxypropyl Methylcellulose, Glycerine.

How many labels does Grifron Maitake have?

2 labels are on file under this name since August 25, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 182513 (current) Entered October 25, 2018 · on the market · 120 vegetarian caplets · UPC 7 91014 10112 7
  2. Label 49945 Entered August 25, 2015 · off the market August 17, 2023 · 120 vegetable caplets · UPC 7 91014 10112 7

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

Who makes it?

The label names Mushroom Wisdom, Inc. (manufacturer, distributor), E. Rutherford, NJ. All Mushroom Wisdom products.

Where next?