Here are two sources for Klamath
Lake blue-green algae. I've used
them both.
www.celltech.com
www.thesynergycompany.com
I don't have Dr. Mercola's web address in front of me, but if you
type "Dr. Joseph Mercola" in your
Search engine, you'll find it.
As I recall, he sells 100 capsules
of chlorella for about $20.00