When my dad was a 12-year-old kid in Red Bluff, California, circa 1928, part of the extended family was a man he knew as Uncle Jack Cotney. That they knew of, or he'd admit to, Uncle Jack had survived some 25 stand-up gunfights in his life.
Green tea is a fat burner that does speed up the metabolism, as far as energy drinks however they really speed up the heart not your metabolism. If you're looking for something that will speed up your metabolism there are better choices for that. Good Luck, Casey.
So far, theyâve found that the coffee drinkers feel less hungry and have a greater feeling of satiety. In addition to its possible appetite-suppressant benefits, some people have pointed to the stimulant effect of caffeinated coffee, pointing out it may boost weight loss by boosting metabolism. Some studies do show that caffeinated coffee has a short-term metabolism-boosting effect.