Nutra BioGenesis Sleep Factors is a physician-grade, multi-compound sleep support formula addressing sleep onset, sleep maintenance, and sleep quality through complementary mechanisms — providing a comprehensive clinical approach to sleep dysfunction for integrative practitioners. 60 capsules.The formula addresses the major neurochemical pathways governing sleep: Melatonin synchronizes the circadian rhythm and initiates sleep onset. L-Theanine promotes alpha-wave calm and reduces pre-sleep hyperarousal. GABA provides inhibitory neurotransmitter support for the nervous system's transition to sleep. 5-HTP (from Griffonia simplicifolia) replenishes serotonin — the precursor to melatonin — addressing upstream serotonin depletion that limits melatonin production. Magnesium (in a highly bioavailable form) modulates NMDA receptors and supports sleep quality at the mitochondrial and neurotransmitter levels. Phosphatidylserine reduces evening cortisol to facilitate sleep onset in high-cortisol individuals. Nutra BioGenesis is a physician-grade supplement brand formulated exclusively for healthcare practitioners, providing pharmaceutical-quality clinical nutrition supplements with independent testing and clean formulations. Available at Beauty Riche — authorized retailer with same-day shipping.