with pde5i

Oral Testofen, L-Citrulline, Resveratrol, and Caffeine Supplement Drink Improves Sexual Function in Men with Phosphodiesterase 5 Inhibitors: Randomized, Double-Blind, Placebo-Controlled Crossover Pilot Study Masato Shirai, Yuto Miyoshi, Taiki Ogasa, Miho Miyoshi, Keisuke Ishikawa, Ippei...