PlainVitamins

CalZbone

by Bronson Laboratories · capsule · 180 vcaps

  • On the market (NIH)
  • UPC 7 16563 26902 9
  • DSLD label 9158
  • Serving 1 vegetarian capsule; amounts per 3 vegetarian capsules

CalZbone by Bronson Laboratories lists 5 ingredients, 5 with an amount per serving of 3 vegetarian capsules, such as 750 mg of CalZbone(R), 82 mg of magnesium, 250 mg of calcium and 1.5 mg of boron. Its current label entered the NIH Dietary Supplement Label Database on June 1, 2012.

What is in CalZbone?

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

CalZbone: Supplement Facts rows against the market (DSLD label 9158, January 2026 release)
IngredientAmount% DVAmong products listing it
CalZbone(R)750 mgCissus quadrangularis in CalZbone against 140 products750 mg per serving; the middle half of products list 100 mg to 800 mg, the median 400 mg.750 mg

Higher than 69% of 140 products listing cissus quadrangularis (median 400 mg). Per day at the most servings: 2,250 mg.

Magnesiumas buffered magnesium amino acid chelateMagnesium (Form: as buffered magnesium amino acid chelate)82 mg21%Magnesium in CalZbone against 14,003 products82 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg82 mg

51% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 246 mg.

Calciumas Dicalcium MalateCalcium (Form: as di-calcium malate)250 mg25%Calcium in CalZbone against 17,831 products250 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg250 mg

Higher than 73% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 750 mg.

Boronas boron amino acid complexBoron (Form: as boron amino acid complex)1.5 mgBoron in CalZbone against 3,339 products1.5 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg1.5 mg

Higher than 58% of 3,339 products listing boron (median 1 mg). Per day at the most servings: 4.5 mg.

Vitamin D2as Ergocalciferol400 IU (10 mcg)100%Vitamin D in CalZbone against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg). Per day at the most servings: 30 mcg.

Source: NIH ODS Dietary Supplement Label Database, label 9158 (entered June 1, 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 3 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 CalZbone'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
DIRECTIONS: As a dietary supplement for adults, 1 capsule three times daily, or as directed by a health professional.
Warnings
Keep out of reach of children.
Storage
Store at room temperature. Protect from light.

Source: label statements in DSLD label 9158.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Magnesium Stearate, Silicon Dioxide, Colloidal, mint oil.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Cal-z-bone(R).

How many labels does CalZbone have?

2 labels are on file under this name since June 1, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 9158 (current) Entered June 1, 2012 · on the market · 180 vcaps · UPC 7 16563 26902 9
  2. Label 9157 Entered June 1, 2012 · on the market · 90 vcaps · UPC 7 16563 26901 2

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

Who makes it?

The label names Bronson Laboratories (manufacturer), Lindon, UT. All Bronson Laboratories products.

Where next?