Comparison

PhytoKinetic Calcium and Bone Strength Take Care

PhytoKinetic Calcium (Rainbow Light) lists 10 distinct ingredients and Bone Strength Take Care (New Chapter) 8 (rows of one ingredient counted once); 7 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 0.68.

Amount per serving (and % of the Daily Value)
IngredientPhytoKinetic CalciumBone Strength Take Care
Calcium750 mg (58%)685 mg (53%)
Vitamin D25 mcg (125%)20 mcg (100%)
Magnesium67 mg (16%)200 mg (48%)
Vanadium72 mcg60 mcg
Silicon2 mg2 mg
Strontium4 mg5 mg
Lithothamnion892 mg2,400 mg
Manganese1 mg (43%)
Vitamin K105 mcg (88%)
Boron0.072 mg
Black Pepper5 mg

Amounts are per serving as DSLD gives them: PhytoKinetic Calcium, 3 capsules; Bone Strength Take Care, 3 tablets. Current labels entered November 2011 and November 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own