Comparison

Ionic Strontium 100 mg and Strontium (Citrate) 227 mg

Ionic Strontium 100 mg (Trace Minerals Research) lists 3 distinct ingredients and Strontium (Citrate) 227 mg (Vital Nutrients) 1 (rows of one ingredient counted once); 1 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 0.51.

Amount per serving (and % of the Daily Value)
IngredientIonic Strontium 100 mgStrontium (Citrate) 227 mg
Strontium100 mg681 mg
Magnesium5 mg (1%)
Chloride150 mg (7%)

Amounts are per serving as DSLD gives them: Ionic Strontium 100 mg, 1.25 ml; Strontium (Citrate) 227 mg, 3 vegetarian capsules. Current labels entered September 2017 and February 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own