Is it ture on what they say about cafine

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is it true about wahtthey say about caffenine slowing donw the matablolism?

I'm not sure about it's effects on metabolism, but it does act as an appetite suppressant. It also increases alertness and causes the heart to beat faster. A moderate amount won't do much but if you consume way too much over a long period of time, it can do some harm.

Caffeine speeds up the metabolism, or at least that's what I've always been told. I know you stack ephedrine w/ caffeine & you have a killer weight loss stack.

i dont really care i all ready have a fast one i drink a coffe drink with a min of 30-40% ecspreso it really clears up the head