Phosphodiesterase type 5 (PDE5) inhibitors are medications used to treat erectile dysfunction (ED) and pulmonary hypertension. They include sildenafil, vardenafil, tadalafil, and avanafil. These medications inhibit the PDE5 enzyme in endothelial cells, BPC 157 is one of the most unique peptides naturally found in the gut and effective both orally and by injection., Oral supports gut health, while the injectable version helps with healing and Can BPC 157 Cause Erectile Dysfunction? Enhance your muscle, gut, and joint health with BPC 157 Delayed Pro, available at Lifemed Institute. Benefits may include include: Joint and soft tissue support Improved digestive function Neurological support Endothelial nitric oxide