Table 1:

Botanical and physical characteristics of the 35 commercial goldenseal products. Preparation refers to the post-harvest treatment a sample received (drying, extraction followed by drying, or freeze-drying); formulation represents how the final material was packaged for the consumer. Botanical source relates to the physiological portion of the plant which was harvested and incorporated into the final product.

Preparation	Products (%)	Formulation	Products (%)	Botanical Source*	Products (%)
Dried material	24 (69)	Capsule	19 (54)	Root	25 (72)
Botanical extract	9 (26)	Tincture	6 (17)	Rhizome	4 (11)
Freeze-dried material	2 (5)	Powder/loose material	8 (24)	Herb/leaf	4 (11)
		Tea	2 (5)	Aerial parts	1 (3)
				Not specified	1 (3)

^*Botanical source as reported by manufacturer.