Source Naturals Serene Science Theanine Serene with Relora, Calm Mind & Body – 60 Tablets

Customers find the supplement effective at helping them relax at night and reducing anxiety, while also improving mental clarity and focus. The ingredients are natural, and customers consider it good value for money. The pill size receives mixed feedback - while some find it easy to swallow, others report it's too big to swallow whole. Some customers experience nausea and intense cramps as side effects, though others report no groggy effects.