Bluebonnet's Power Thought Caplets are scientifically formulated with a powerful spectrum of highly advanced nutrients, including phosphatidylserine and phosphatidylcholine, two highly concentrated complexes derived from soy lecithin. Also, formulated with L-glutamine, L-tyrosine, taurine, pyroglutamic acid, DMAE and ginkgo biloba leaf extract. Available in easy-to-swallow caplets.