Since it helps produce white blood cells, these help fight off infections and pathogens (think of them as your internal army)
Several neurocognitive peptides have shown memory and cognition effects in animal models and small human studies, primarily through pathways involving BDNF (brain-derived neurotrophic factor), nerve growth factor, and synaptic plasticity
Nat Commun 8 , 16087 (2017)
Before you take it as a solution to whatever illness you're suffering from, you should read the label (where available) and research the ingredients in order to verify its efficacy as a cure
Total BDNF, and its isoforms, are involved in brain development, both in the process of neurogenesis and neuroplasticity, from infancy to adolescence 1,6,45