ZenMen Z4 The fourth option is the use of exercise. Programs which concentrate on exercises for harder erections are usually the most successful, but are frequently the slowest. Most of these exercise programs usually need several weeks before you see any effect.
It depends. Anywhere from 7 days on the early side, to closer to 21 days for most men. The real gains come about 90 days out in my experience, with dramatic changes usually taking place between the second and third months.

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