How did you hear about these substances and what conviced you to swallow 4(!) pills a day with our national drug caffeine ?
http://tim.blog/2016/11/06/charles-poliquin-mass-building-pr...
(you will sleep like a rock with a large dose of Magnesium Glycinate, especially if you've been deficient for a while (most coffee/soda/alcohol drinkers are))
Body gets rid of the excess and I move on with my day. I could back it off, but honestly, it just isn't that burdensome and I enjoy the consistency of taking the same amount every day.
And there may be days where I'm more stressed and the body could use more magnesium, so I just stick with my dosage.
I tried a simple caffiene and l-theanine routine, but couldn't properly self-evaluate the results.