Comparison

K2-D3 with Astaxanthin and Astaxanthin D3 Liquid

K2-D3 with Astaxanthin (Douglas Laboratories) lists 3 distinct ingredients and Astaxanthin D3 Liquid (DaVinci Laboratories of Vermont) 3 (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 0.56.

Amount per serving (and % of the Daily Value)
IngredientK2-D3 with AstaxanthinAstaxanthin D3 Liquid
Vitamin D62.5 mcg (313%)125 mcg (625%)
Astaxanthin2 mg4 mg
Fat (unspecified)1 g
Vitamin K180 mcg (150%)

Amounts are per serving as DSLD gives them: K2-D3 with Astaxanthin, 1 vegetarian capsule; Astaxanthin D3 Liquid, 1 ml. Current labels entered September 2022 and March 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own