PlainVitamins

M/R/S Mushroom Formula

by Pure Encapsulations · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 66298 00327 6
  • DSLD label 294009
  • Serving 1 capsule
  • 120 servings

M/R/S Mushroom Formula by Pure Encapsulations lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 200 mg of maitake mushroom fruiting body extract, 200 mg of reishi mushroom fruiting body extract and 200 mg of shiitake mushroom fruiting body extract. Its current label entered the NIH Dietary Supplement Label Database on July 18, 2023.

What is in M/R/S Mushroom 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).

M/R/S Mushroom Formula: Supplement Facts rows against the market (DSLD label 294009, January 2026 release)
IngredientAmount% DVAmong products listing it
Maitake mushroom fruiting body extract200 mgMaitake Mushroom in M/R/S Mushroom Formula against 327 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 100 mg.200 mg

Higher than 70% of 327 products listing maitake mushroom (median 100 mg).

Reishi Mushroom Fruiting Body Extractas Ganoderma lucidum Fruiting Body Extract200 mgReishi mushroom in M/R/S Mushroom Formula against 500 products200 mg per serving; the middle half of products list 50 mg to 500 mg, the median 180 mg.200 mg

Higher than 51% of 500 products listing reishi mushroom (median 180 mg).

Shiitake Mushroom Fruiting Body Extract200 mgShiitake Mushroom in M/R/S Mushroom Formula against 256 products200 mg per serving; the middle half of products list 33.75 mg to 200 mg, the median 100 mg.200 mg

Higher than 72% of 256 products listing shiitake mushroom (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 294009 (entered July 18, 2023), 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?

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
Recommendations: As a dietary supplement, take 1 capsule daily, with a meal, or as directed by a health professional.
Warnings
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Certified Gluten-Free by the Gluten-Free Certification Organization, www.gluten.org
Gluten-free, Non-GMO & hypoallergenic
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 294009.

What else is on the label?

Other ingredients: Cellulose, Water, Ascorbyl Palmitate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GFCO.org (Gluten-Free Certification Organization). Listed with: Certified gluten-free (GFCO) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does M/R/S Mushroom Formula have?

4 labels are on file under this name since January 7, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 294009 (current) Entered July 18, 2023 · on the market · 120 capsules · UPC 7 66298 00327 6
  2. Label 219549 Entered May 22, 2020 · off the market November 30, 2018 · 120 capsules · UPC 7 66298 00327 6
  3. Label 184673 Entered February 25, 2019 · off the market July 21, 2022 · 120 capsules · UPC 7 66298 00327 6
  4. Label 185090 Entered January 7, 2019 · off the market February 1, 2018 · 60 capsules · UPC 7 66298 00328 3

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

Who makes it?

The label names Pure Encapsulations (manufacturer), Sudbury, MA. All Pure Encapsulations products.

Where next?