K2 100 mcg
by Mason Natural · tablet or pill · 100 tablets
- On the market (NIH)
- UPC 3 11845 17681 3
- DSLD label 318772
- Serving 1 tablet
- 100 servings
K2 100 mcg by Mason Natural lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 100 mcg of vitamin K and 40 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2024.
What is in K2 100 mcg?
Each row as the label prints it, per serving of 1 tablet. 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Kas Menaquinone-4 | 100 mcg | 83% | Higher than 69% of 4,607 products listing vitamin K (median 80 mcg). |
| Calciumas Dicalcium Phosphate | 40 mg | 4% | 79% of 17,831 products listing calcium give more (median 115 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 318772 (entered September 25, 2024), 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.
- Vitamin K 100 mcgSolgar · off the market same ingredients
- Vitamin K 100 mcgGNC same ingredients
- Naturally Sourced Vitamin K2 100 mcgSolgar · off the market same ingredients
- K2+Roex same ingredients
- Vitamin K 500 mcgSource Naturals same ingredients
- Vitamin K2 Advantage 2,200 mcgSource Naturals same ingredients
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: Adults - Take one tablet daily, preferably with food, as a dietary supplement.
- Warnings
- Warning: Do not take vitamin K if you have liver/kidney damage or if taking blood thinners such as aspirin, Heparin, and Coumadin. Caution: If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician before use.
- Discontinue use and consult your physician if any adverse reactions occur.
- Keep out of reach of children.
- Tamper-Evident Seal: Do not use product if seal appears tampered with.
- Allergens and what it does not contain
- Guaranteed no added: Sugar, yeast, soy, wheat, dairy, fish, tree nuts, peanuts, egg, fragrance, artificial colors or flavors, preservatives, animal products, crustacean shellfish. Sodium free.
- Gluten free Soy free
- Storage
- Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).
Source: label statements in DSLD label 318772.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Magnesium Stearate, Silicon Dioxide, Acacia, Corn Starch.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Mason Guarantee Laboratory Tested cGMP Certified Good Manufacturing Practice Certified.
How many labels does K2 100 mcg have?
One label is on file, entered on September 25, 2024.
- Label 318772 (current) Entered September 25, 2024 · on the market · 100 tablets · UPC 3 11845 17681 3
DSLD also links this label to: Vitamin K2 100 mcg (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 Mason Vitamins, Inc. (distributor), Miami Lakes, FL. All Mason Natural products.