I get mine from Bronson Labs in the kilo size
(lasts forever!)
Owen gets his from here,
and has been kind and generous to purchase me some
over past year.
I add 1/4 teaspoon to pretty much every drink I have,
as well as a small bit of pure aloe vera juice.
also to whoever asked,
Radishes ar a very high vitamin c source,
this little plucky root has some incredible
health benefits.
in the root and the greens as well.