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I buy powders only from Starwest and Frontier and only directly from them. Anybody redistributing could have had it on their shelves too long. Some herbs I cannot buy powders, so I powder them myself. My herb grinder won't grind as fine, but for making tinctures it still gives me the consistentency in potency that I need. I posted an article today on another adaptogen and reference it as a powder for smoothies in the last paragraph. It is available from Starwest as a powder. Did you get a chance to see that article?