St. John's Wort extract | Supplement DB

Across the database

Across the listed products that contain St. John's Wort extract, we counted whether the amount is disclosed, how much is used, in which dosage forms and brands, and what it is combined with. This shows how the ingredient is used in a way a single label cannot.

Is the amount disclosed?
Amount disclosed	87	The label states a quantity
Amount not disclosed	66 (43%)	Typically a component of a proprietary blend, where the manufacturer does not publish the amount

Amount per serving (unit: mg, 84 products)
Measure	Amount	Meaning
Minimum	20 mg	Lowest label value in the database
25th percentile	200 mg	A quarter of products are at or below this

Unit	Products	Share
mg	84	97%
mL	2	2%
g	1	1%

Form	Products	Share
Capsule	102	67%
Liquid	30	20%
Tablet	19	12%
Powder	1	1%
Other (e.g. tea bag)	1	1%

Brand	Products	Share
Herb Pharm	12	8%
Wonder Laboratories	5	3%
Mountain Meadow Herbs	4	3%
Crystal Star	4	3%
Nature's Way

Ingredients	Products	Share
Vitamin B6	37	25%
Magnesium	30	20%
Calcium	28	19%
L-Theanine	24	16%

Across the database

Products with this ingredient (newest first)