it wont harm you. it will start to lose effectivness the longer it sits around,after exp date.
Exactly, which means you need top take a little more. But the strain on the liver is still the same as if it were fully dosed. Some pharmacists may say it's more so when it's old , as in the case with antibiotics. As a little jump start, it won;t kill you, but I wouldn't do an extended cycle on it. And of course, add some N2Guard fro protection.