Nick500

What are you goals?

These 'NO' supplements are designed to give you a pump, they do not contribute to muscle growth (well perhaps indirectly, by allowing better transport of nitrogen and in theory reducing recovery times, + placebo effect of 'feeling the pump' so you train harder).

I'm inclined to advise you to not bother buying any because these gains are on the most part likely to be fake, i.e you feel bigger yet its just a pump. Still, if you like it then whatever. Its simple science to suggest that using protein powders and having a high protein diet will lead to muscle growth, not NO products.

I should mention that I have not tried these products either, but would be interested to feel what these pumps are like, yet wouldnt expect any muscle growth.

Nick