Comparison

MigraPlex and Single Herbs Feverfew Leaf & Flower

MigraPlex (Karuna) lists 3 distinct ingredients and Single Herbs Feverfew Leaf & Flower (Gaia Herbs Single Herbs) 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 0.88.

Amount per serving (and % of the Daily Value)
Ingredient	MigraPlex	Single Herbs Feverfew Leaf & Flower
Feverfew	100 mg	665 mg
Parthenolide	500 mg	2 mg
Magnesium	600 mg (143%)

Amounts are per serving as DSLD gives them: MigraPlex, 3 capsules; Single Herbs Feverfew Leaf & Flower, 2 capsules. Current labels entered August 2013 and June 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

MigraPlexKaruna: every row against all products listing it
Single Herbs Feverfew Leaf & FlowerGaia Herbs Single Herbs: every row against all products listing it