Calcium & Magnesium

by Natural Factors · tablet or pill · 90 tablets

  • On the market (NIH)
  • UPC 0 68958 01623 8
  • DSLD label 8376
  • Serving 1 tablet

Calcium & Magnesium by Natural Factors lists 5 ingredients, 5 with an amount per serving of 1 tablet, such as 350 mg of calcium, 175 mg of magnesium, 5 mg of zinc and 10 mg of potassium, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on April 26, 2012.

What is in Calcium & Magnesium?

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).

Calcium & Magnesium: Supplement Facts rows against the market (DSLD label 8376, January 2026 release)
IngredientAmount% DVAmong products listing it
Total Carbohydratesless than 1 g1%
Calciumas Calcium Carbonate, Calcium Chelate, Calcium CitrateCalcium (Form: as calcium carbonate, calcium citrate, calcium chelate, & calcium phosphate)350 mg35%Calcium in Calcium & Magnesium against 17,831 products350 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg350 mg

Higher than 81% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 700 mg.

Magnesiumas Magnesium Chelate, Magnesium OxideMagnesium (Form: as Magnesium Oxide, & Magnesium Chelate)175 mg45%Magnesium in Calcium & Magnesium against 14,003 products175 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg175 mg

Higher than 74% of 14,003 products listing magnesium (median 86 mg). Per day at the most servings: 350 mg.

Zincas Zinc CitrateZinc (Form: as Zinc Citrate)5 mg35%Zinc in Calcium & Magnesium against 13,186 products5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg5 mg

72% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 10 mg.

Potassiumas Potassium CitratePotassium (Form: as Potassium Citrate)10 mg2%

This amount is far outside what other labels list for potassium, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Silica5 mgSilicon in Calcium & Magnesium against 1,220 products5 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.5 mg

Higher than 57% of 1,220 products listing silicon (median 4 mg). Per day at the most servings: 10 mg.

Source: NIH ODS Dietary Supplement Label Database, label 8376 (entered April 26, 2012), 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?

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 2 servings 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?

The products whose ingredient lists overlap most with Calcium & Magnesium's, rare ingredients counting for more.

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: 1 tablet, 2 times per day or as directed by a health professional.
Warnings
Sealed for your protection. Do not use if seal is broken.
Keep out of reach of children.
Allergens and what it does not contain
Contains no artificial color or sweeteners; no dairy wheat or yeast.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 8376.

What else is on the label?

Other ingredients: Cellulose, Coating, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): (recycle) Recyclable container; Purity & Potency Guaranteed.

How many labels does Calcium & Magnesium have?

One label is on file, entered on April 26, 2012.

  1. Label 8376 (current) Entered April 26, 2012 · on the market · 90 tablets · UPC 0 68958 01623 8

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

Who makes it?

The label names Natural Factors Canada (manufacturer). All Natural Factors products.

Where next?