Who knew blue green algae was supercharged with...LOVE?  Read excerpts from the  Allergy Research Group, as well as from scientist Christian Drapeau's book, Primordial Food, and see if you'll be running to the store for your dose of, well, LOVE! Blue green algae, aphanizomenon flos-aquae (AFA), has been found to have high levels of phenylethylamine (PEA).