I have been using Trimix for 2 years my first 10 mil came from KRS Global Biotechnology in Boca Raton papervine 17.65 mg phentolamine 0.59 prostaglandin 5.9 mcg 10 units it work great 120 percent erection 2 hours the 2 10 mil came from wells same mix had to use 30 units to get at best 80...