B Big BX New member Sep 9, 2003 #2 It has a half life of 48 hours. It's in your system in about a day. but, I would say towards the end of week 2, it should be kicking in. Your blood concentration levels need to get to consisitant level.
It has a half life of 48 hours. It's in your system in about a day. but, I would say towards the end of week 2, it should be kicking in. Your blood concentration levels need to get to consisitant level.
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