I'm about a week into a SDrol run, 24mg daily, and I am thinking about switching over to Havoc. I haven't seen anything but aggrivating sides from the SDrol and yesterday I spent the entire day nursing the worst headache of my life. I know its a side, but not being able to even eat defeats the purpose of the product. The sides that I have so far have been lethargy, headaches, insomnia, and loss of appetite, luckily no shut down. I am wondering since I have a bottle of Havoc, and all my cycle support and PCT lined up, if I should switch over? or should I take a few weeks in between? I don't think I will be finishing the SDrol because of the headaches.