Tcore Plus If you should make these exercises more challenging, try (a) using one limb at an era - one legged squats, one arm pushups, etc; (b) slowing the reps down and taking 8 - 10 seconds you need to do each rep; (c) Sexual Enhancer Stamina concentrate on working the muscles as hard it could possibly. You need to realize though that this supplement won't help you build muscles if decide lie down and rest. http://www.strongtesterone.com/tcore-plus/