PlainVitamins

Calcium Greens

by ZHOU · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC 6 69191 14469 8
  • DSLD label 335776
  • Serving 3 tablets
  • 40 servings

Calcium Greens by ZHOU lists 4 ingredients, 4 with an amount per serving of 3 tablets, such as 25 mcg (1,000 IU) of vitamin D3, 80 mcg of vitamin K, 1,300 mg of calcium and 100 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2025.

What is in Calcium Greens?

Each row as the label prints it, per serving of 3 tablets. 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).

Calcium Greens: Supplement Facts rows against the market (DSLD label 335776, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as Saccharomyces cerevisiae25 mcg (1,000 IU)125%Vitamin D in Calcium Greens against 14,175 products25 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg25 mcg

Higher than 59% of 14,175 products listing vitamin D (median 15 mcg).

Vitamin Kas Menaquinone-780 mcg67%Vitamin K in Calcium Greens against 4,607 products80 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg80 mcg

37% of 4,607 products listing vitamin K give more (median 80 mcg).

Calciumas Lithothamnion spp.1,300 mg100%Calcium in Calcium Greens against 17,831 products1,300 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg1,300 mg

Higher than over 99% of 17,831 products listing calcium (median 115 mg).

Magnesiumas Lithothamnion spp.100 mg24%Magnesium in Calcium Greens against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

Source: NIH ODS Dietary Supplement Label Database, label 335776 (entered June 25, 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 1,300 mg of calcium is higher than over 99% of the 17,831 calcium products that print an amount; 90 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 use: Use only as directed. Take 3 tablets with a meal or glass of water.
Warnings
Caution: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product.
Keep out of reach of children.
Warning: Reproductive harm - www.P65Warnings.ca.gov
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 335776.

What else is on the label?

Other ingredients: Cellulose, Croscarmellose Sodium, Spinach, Magnesium Stearate, Stearic Acid, Silica.

How many labels does Calcium Greens have?

One label is on file, entered on June 25, 2025.

  1. Label 335776 (current) Entered June 25, 2025 · on the market · 120 tablets · UPC 6 69191 14469 8

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

Who makes it?

The label names Zhou Nutrition | Zhou, Inc. (manufacturer), Salt Lake City, UT. All ZHOU products.

Where next?