Two distinct peptides covered in one profile — not identical
The audit located limited, context-specific human and experimental evidence. Study quality, population and accessibility of full methods constrain broad conclusions.
Do not describe all cognitive or anxiety uses as clinically established, or claim that nasal delivery makes safety questions disappear.
Sources and proposed-mechanism explanation
Neurobiological mechanisms and regional clinical reports are offered as explanations. A mechanism does not establish healthy-person cognitive enhancement.