It is even if you have a tolerance for it if you just drink enough of it. Take a 500mg caffeine dose before you go for a walk and I'm sure you'll feel some effects of it.
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It is even if you have a tolerance for it if you just drink enough of it. Take a 500mg caffeine dose before you go for a walk and I'm sure you'll feel some effects of it.
500mg would surely create heart palpitations and a lot of negative side effects. I you could take 2000mg l-theanine and most of negative side effects would go away. Anything over 300mg of caffeine has the potential to make you dependent on it.
But it doesn't matter if you're already addicted to it