Research Notes
Analysis, protocols, and insights from the lab.
PT-141: The Libido Peptide Behind Bremelanotide and the Science of Desire
PT-141, also known as bremelanotide, is a peptide studied for sexual desire and arousal through melanocortin receptor pathways in the…
Semax and Selank: Exploring 2 Nootropic Peptides for Cognitive Enhancement
Semax and Selank are two peptide-based nootropics that have gained attention for their potential effects on focus, stress resilience, memory,…
Peptide Therapy The New Frontier of Precision Medicine: Navigating the Safety and Efficacy
Peptide therapy can be safe when they are clinically studied, properly manufactured, prescribed for an appropriate reason, and monitored by…
Major Health Concerns About Retatrutide: What Eli Lilly Trials Show So Far and What Reported Issues Still Need More Evidence
Retatrutide has produced some of the strongest weight-loss results seen in obesity research so far, but the safety picture is…
Novis Peptide News (May 8 2026): Access, Regulation, and the Next Wave of Clinical Peptides
A credible peptide news roundup from May 3 to May 9, 2026, covering expanded access for avexitide, new CNP data…
Kisspeptin-10: The Peptide That Controls Hormones, Fertility, and the Brain-Body Connection
What Is Kisspeptin-10? Kisspeptin-10 is a shortened, active fragment of a larger peptide known as kisspeptin, which is encoded by…
Cutting-Edge Retatrutide Explained: 5 Ways This Triple-Agonist Peptide May Redefine Weight Loss and Metabolic Health
A research-based breakdown of retatrutide, a next-generation peptide being studied for its powerful effects on weight loss, metabolism, and energy…
LL-37: The Body’s Built-In Defense System—5 Ways This Peptide Fights, Heals, and Adapts
LL-37 is more than an antimicrobial peptide—it’s a dynamic defense signal that protects against infection, shapes immune responses, and supports…
Incredible Vasoactive Intestinal Peptide (VIP): 5 Key Roles in Immunity, Inflammation, and Gut-Brain Signaling
A science-based overview of Vasoactive Intestinal Peptide (VIP), a neuropeptide involved in immune regulation, inflammation control, and communication between the…