Via the vagus nerve, gastrointestinal GLP-1 production stimulates the Arc and PVN in the hypothalamus as well as the NTS and area postrema, a locus of central nausea
These insights help guide a safe, individualized plan while identifying any potential risks
Getting a prescription for vitamin B12 injection means you need a doctors watch
A defining pharmacologic feature of these agents is prolonged receptor occupancy, which distinguishes therapeutic GLP-1R signaling from its endogenous, pulsatile counterpart
Caffeine explored for its interaction with scalp microcirculation and follicle stimulation pathways
What they found (summary): Development of Melanotan II as a cutaneous drug failed due to the combination of side effects Bifurcation into more selective derivatives was both scientifically and commercially successful PT-141 Bremelanotide (Vyleesi, 2019) Melanotan I Afamelanotide (Scenesse, 2014) Underground use of Melanotan II is safety-problematic Why it matters: This is the definitive historical review by the founders of the field