I cut the t4 as I'm bulking, no real lethargy to report after about 3 weeks, I think I had to adjust. Feels a lot like th seros I'm used to.
I wondered if my seros worked because I had barely any sides and I know they were legit. Worst sides I had was on Karl's western biotech stuff, very sleepy and numb fingers to my palm. Also crazy dreams. T4 didn't help at all.