Comparison

Horsetail and Silica

Horsetail (Herbalist & Alchemist) lists 1 distinct ingredients and Silica (Naturally Inspired) 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	Horsetail	Silica
Horsetail	1.5 mL	500 mg

Amounts are per serving as DSLD gives them: Horsetail, 1.5 ml; Silica, 1 caplet. Current labels entered March 2018 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

HorsetailHerbalist & Alchemist: every row against all products listing it
SilicaNaturally Inspired: every row against all products listing it