PlainVitamins

MK-7 Vitamin K-2 Extra Strength - 300 mcg

by NOW · capsule · 120 veg capsules

  • On the market (NIH)
  • UPC 7 33739 00995 1
  • DSLD label 335281
  • Serving 1 veg capsule
  • 120 servings

MK-7 Vitamin K-2 Extra Strength - 300 mcg by NOW lists one ingredient: 300 mcg of vitamin K2 per serving of 1 veg capsule. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in MK-7 Vitamin K-2 Extra Strength - 300 mcg?

Each row as the label prints it, per serving of 1 veg 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).

MK-7 Vitamin K-2 Extra Strength - 300 mcg: Supplement Facts rows against the market (DSLD label 335281, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin K2as MenaQ7300 mcg250%*Vitamin K in MK-7 Vitamin K-2 Extra Strength - 300 mcg against 4,607 products300 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg300 mcg

Higher than 94% of 4,607 products listing vitamin K (median 80 mcg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 335281 (entered July 24, 2025), 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?

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 300 mcg of vitamin K is higher than 94% of the 4,607 vitamin K products that print an amount; 252 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?

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: Take 1 capsule daily with a meal.
Warnings
Caution: For adults only.
Consult physician if pregnant/nursing, taking medication (especially anti-coagulant drugs such as warfarin, Coumadin, heparin), or have a medical condition.
Keep out of reach of children.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 335281.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hypromellose, Silicon Dioxide, Medium Chain Triglycerides.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Crescent H (Halal) GMP Quality Assured.

How many labels does MK-7 Vitamin K-2 Extra Strength - 300 mcg have?

4 labels are on file under this name since March 25, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335281 (current) Entered July 24, 2025 · on the market · 120 veg capsules · UPC 7 33739 00995 1
  2. Label 313799 Entered October 24, 2024 · on the market · 120 veg capsules · UPC 7 33739 00994 4
  3. Label 313798 Entered June 20, 2024 · on the market · 60 veg capsules · UPC 7 33739 00994 4
  4. Label 245893 Entered March 25, 2021 · off the market February 12, 2024 · 60 veg capsules · UPC 7 33739 00994 4

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

Who makes it?

The label names NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.

Where next?