This formula is composed of L-theanine, an amino acid naturally present in green tea, with highly relaxing effects, and two plants, passionflower and California poppy, recognized in herbal medicine for their calming and sedative properties, which work in synergy on the nervous system, notably at the level of the neurotransmitter GABA, which has an inhibitory and calming effect on the brain's synapses, moderating nervous signals and avoiding over-stimulation of the brain. GABA is intimately associated with sleep quality and our ability to relax. It plays a central role in regulating the sleep-wake cycle and helps the brain transition from wakefulness to sleep by reducing neuronal activity. Gaba receptors are particularly active in brain regions associated with deep sleep, helping to maintain restful, quality sleep.