As of June 2026, the regulatory picture has three moving parts
Reconstitution guidance for research protocols Legitimate suppliers provide solvent compatibility information (typically bacteriostatic or sterile water) framed around achieving a specific molarity for an experimental protocol not a how many clicks on the syringe consumer dosing chart, which is a strong signal the seller is marketing toward personal use rather than research use
Psychother Psychosomatics
Part 1, the framework post covering the regulatory landscape, why peptides belong in medicine, and the various buckets to sort the molecules most relevant to female physiology, is free
Cagrilintide is considered a prescription-only medication, with advice that it is best used safely with clinician guidance and support
It contains a defined concentration of benzyl alcohol, which inhibits bacterial growth and supports short-term stability under controlled experimental conditions