Comparison

Willow and White Willow Bark-V

Willow (Herbalist & Alchemist) lists 1 distinct ingredients and White Willow Bark-V (Douglas Laboratories) 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
Ingredient	Willow	White Willow Bark-V
Willow	3 mL	500 mg

Amounts are per serving as DSLD gives them: Willow, 3 ml; White Willow Bark-V, 1 vegetarian capsule. Current labels entered March 2018 and January 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

WillowHerbalist & Alchemist: every row against all products listing it
White Willow Bark-VDouglas Laboratories: every row against all products listing it