Like all nootropics, and specially with DMAE, experiment to see if it’s good for you. Get started out which has a lesser 50 mg. dose, and go as superior as 200 mg. on a daily basis looking for your sweet spot. And check out the “Dosage Notes” and “Negative effects” https://marcoomare.mybjjblog.com/the-greatest-guide-to-medicinal-mushrooms-45742065