"It's very hard to gain a significant amount of muscle in a caloric deficit."
Absolutely.
Trying to do both at the same time is a bad idea and just suggests both ignorance and impatience to me. In this game you've got to see exercise and nutrition as lifelong commitments if you want...
Your internal organs are still developing and are very vulnerable to the side effects of steroids. If you run a cycle you could do a lot of harm that could take months or even years to reverse. At your age your own hormonal system should allow you to pack on substantial size.
If you don't...
Sorry for not replying sooner but I couldn't get online. I have run S4 at 50mg and started to experience the vision sides at day 14 although they didn't get any worse and cleared up totally 2-3 weeks after stopping. It's slightly irritating more than anything else but don't let it put you off...
Looking forward to seeing your progress bro.
When I was young I thought being absolutely massive would be the coolest thing in the world but as I got older - and bigger - I started to realise that having really huge muscle mass on my small frame would just simply make me look ridiculous.
Like...
Here's my take for what it's worth.
Did you do pre and mid cycle bloods? One blood test in isolation doesn't show where you are going.
It would have been good to get your lh and fsh results too however as your test (and quite probably free test) is low I suspect they would be too. Doesn't look...