Fresh Upgrade Potency Proven Since 1982 Raw Fresh Freeze-Dried Dietary Supplement 2.0 - 4.0% Berberine & Hydrastine Non GMO Grain/Soy/Dairy-Free US Grown Raw, Vegan Whole Herb No Fillers Fresh Upgrade: Potency Proven Established levels of active marker compounds with NO standardized extracts, fillers, preservatives or other adulterants. Concentrated 5 X by Freeze-Drying Freeze-drying keeps the plants' nutrients in the same balance as found in nature by gently removing only the water. From farm to bottle, we use naturopathic wisdom and innovative processes to create exceptional products. We organically grow or sustainably wildcraft herbs that are harvested at peak potency, and then freeze-dried in-house. The closest thing to an herb picked fresh from your garden. Nothing added and no extracts - simply whole herbs.