I am not familiar with Dermacrine Sustain Alpha. The cheapest way to get it is in the form or grape seed extract or Japanese Knot wood. Resveratrol is becoming a popular supplement so I'm sure it is becoming over priced as well but it is still available relatively cheap on the internet.
Yes your body develops a tolerance to consistent L-Arginine use. We all know Arg gets metabolized to become Nitric Oxide. Within the human body there is a nasty free radical lurking about. This free radical is called Super Oxide. When super oxide comes in contact with NO they react to form a...