Stacks Axon Labs’ NEXUS Nootropic Stack, My Experience (Review) Micah Jahns Aniracetam, axon labs, cdp choline, nexus, phosphatidylserine, pycnogenol Leave a Comment My experience with the Axon Labs' NEXUS Nootropic Stack, an encapsulated blend of Aniracetam, CDP-choline, Phosphatidylserine, and Pycnogenol. Read More