Comparison

OsCal Pro and CalZbone

OsCal Pro (Guardian Health) lists 7 distinct ingredients and CalZbone (Bronson Laboratories) 5 (rows of one ingredient counted once); 5 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.70.

Amount per serving (and % of the Daily Value)
IngredientOsCal ProCalZbone
Calcium400 mg (31%)250 mg (19%)
Vitamin D27 mcg (135%)10 mcg (50%)
Magnesium200 mg (48%)82 mg (20%)
Boron0.1 mg1.5 mg
Cissus quadrangularis150 mg750 mg
Vitamin K64 mcg (53%)
Phosphorus164 mg (13%)

Amounts are per serving as DSLD gives them: OsCal Pro, 4 capsules; CalZbone, 3 vegetarian capsules. Current labels entered November 2023 and June 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • OsCal ProGuardian Health: every row against all products listing it
  • CalZboneBronson Laboratories: every row against all products listing it