I've used Intrafuse exclusively... Intra! Today I actually decided to take it preworkout. It obviously doesn't do the stim stuff that other pres do, but the pumps were sick! And the additional carbs beforehand gave me a little bit of extra endurance. I needed it to. I've been coming down with a mild cold, so I felt rundown a bit today. Still did ok in the gym.
My current prescribed dose is .4ml weekly (200mg/ml test cyp). This past week I did .3ml (mainly because that was all I could get out of my vial!)
I tried tapering down once and felt like crap, but now that I'm lifting heavy (heavy for me at least!) Ive been feeling better. My total test was over 1000 on my last blood draw earlier this month, and E2 was at like 23. There are also fertility issues we're considering, but LH and FSH are in the tank now. I'll be talking to my doctor about it as soon as I can.
But long story short, the combination of improved diet/fitness, weights and supplements have raised my testosterone considerably from before when I relied only on injections. It makes me optimistic, but I want to continue to taper and see how it goes.