Skeletal muscle tissue is significantly more metabolically active than adipose fat tissue, burning roughly three times as many calories just to simply exist while you are completely at rest.

A closer look

Skeletal muscle tissue is significantly more metabolically active than adipose fat tissue, burning roughly three times as many calories just to simply exist while you are completely at rest. This means that people with higher muscle mass are passively burning away their morning donuts while sitting perfectly still on the couch, while the rest of us have to actually resort to miserable cardiovascular exercise. Your body views maintaining bulging biceps as a highly expensive energetic luxury, which is exactly why it aggressively breaks down your gains the minute you stop lifting heavy iron circles at the gym. Building muscle is basically a massive physiological pyramid scheme where you have to constantly pay an increasingly high calorie tax just to maintain your current physical status. So yes, lifting weights will theoretically make your metabolism faster, but it also curses you with an endless hunger that is never truly satisfied