Cognitive & Neuro
Peptides in this category relate to signaling systems involved in cognition, neuronal communication, and nervous-system adaptation. Research often examines pathways affecting neurotrophic factors, synaptic plasticity, neurotransmitter balance, stress-response signaling, and mitochondrial function within neural tissue. These compounds are discussed in educational contexts around focus, memory, mood-related signaling, neuroprotection research, and resilience of brain and peripheral nerve networks, with evidence varying by compound and study model.
DSIP
Early human dataDSIP was named in 1977 for an effect it was believed to produce. Nearly fifty years later the name is still the strongest evidence for it, and the endogenous peptide tracks the opposite of deep sleep.
human 3 · sources 7
Pinealon
Early human dataPinealon is a synthetic tripeptide from one Russian research school's peptide family. The laboratory work is real; almost all of it comes from that school, and after thirteen years it is still in cell culture.
human 1 · sources 7
PT-141
Approved medicineAn FDA-approved drug for one narrow condition in one group of women. It is explicitly not approved for men, and not approved to enhance sexual performance. The label says so.
human 3 · sources 6
Selank
Early human dataSelank is a tuftsin-related neuropeptide discussed around GABAergic, stress-response, and regional anxiolytic research context.
human 1 · sources 5
Semax
Early human dataSemax is an ACTH-fragment neuropeptide discussed around BDNF, neurobiology, regional clinical context, and evidence limits.
human 1 · sources 4