The pill, zuranolone (Zurzuvae), is a neuroactive steroid that acts on GABAA receptors in the brain responsible for regulating mood, arousal, behavior, and cognition, according to Biogen, which, along with Sage Therapeutics, developed the product. The recommended dose for Zurzuvae is 50 mg taken once daily for 14 days, in the evening with a fatty meal, according to the FDA.