Anyone know why M1t causes lethargy & raised BP??

I have done my research and on it right now but I was just curious for hell of it why it causes you to feel tired and also why it raises your BP?? I looked in the M1T thread by NSA and couldn't find out to what causes this in the body only that it is caused and how to combat it... I wanna know why it is caused>>>

I think it messes with your sugar levels... I was tired all the time, until I started eating more carbs, and taking ephedrine.

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The blood sugar theory has never been proven but is the leading candidate plus it shuts your natty test down to nothing.