> But to truly understand things I have to implement the ideas, but the scope of what I want to do expands so fast that I get demotivated and eventually move on.

This is your motivation doing its job, instead of wasting your time on such low reward per effort tasks it tells you to do other things, this is how motivation works for regular people. Pills doesn't change this, so unless your motivation loves to learn and understand new topics the pills really wont help you get there.