nasal spray pt141 PT-141 | Research Peptide Compounded PT-141 (Bremelanotide) Nasal Spray

F., & van den Berg, H

Liposomes for oral delivery of protein and peptide-based therapeutics: Challenges, formulation strategies, and advances

The main practical disadvantages are: poor absorption in standard capsule form, the need for consistent daily use over 8-12+ weeks before visible results, relatively higher cost for well-absorbed formats, mild and uncommon side effects like digestive discomfort or headache in some users, and the risk of unrealistic expectations from aggressive marketing claims

Veys KR, DHauwers KW, van Dongen A, Janssen MC, Besouw MTP, Goossens E, van den Heuvel LP, Wetzels A, Levtchenko EN (2018) First successful conception induced by a male cystinosis patient