Comparison

D3/K2 Spray and Vitamin D Synergy with Vitamin K1

D3/K2 Spray (DaVinci Laboratories of Vermont) lists 2 distinct ingredients and Vitamin D Synergy with Vitamin K1 (Designs for Health) 2 (rows of one ingredient counted once); 2 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientD3/K2 SprayVitamin D Synergy with Vitamin K1
Vitamin D50 mcg (250%)50 mcg (250%)
Vitamin K200 mcg (167%)200 mcg (167%)

Amounts are per serving as DSLD gives them: D3/K2 Spray, 0.4 ml; Vitamin D Synergy with Vitamin K1, 1 capsule. Current labels entered January 2021 and July 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own