The one cycle out of ten that I got blase, thought 'ehhhh can't make that much difference' and skipped replacing my N2Gen stocks for the last 4 weeks or so of the 12, I paid the cost. I made sure I had some in time for the PCT but the dick game recovery took a good while as a consequence of my negligence while on cycle. N2Gen's support makes a huge difference in respect to keeping libido within range and mounting a speedy bounceback off cycle. Efficacy of N2Gen is for real to the point that I actually questioned whether I needed it, a.k.a. fucking around and finding out. Awesome product.