I like it, I use Nitrix and it works well. For me, NO is more of a psychological thing. Feeling the pump and listening to Metal helps get me focused. BUT it's not necessary and you don't really need it if you stick to creatine. If you have some extra money I say try it.

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MONSTER: My Strength Endurance Journal, Part 2: The Strength Endurance Journal Returns <--NEW

BULKING: My 5X5 Journal

CUTTING: My CKD Max-OT Journal, My HST Cutting Journal