well, with a half-life of 36 hours it's gonna take a really long time to "clear" out of your body...
say on day one you take one, 200mg cap (and you're able to absorb 10)% of it).
on day 2 there will be ~132mg left
day 3 = ~87mg left
day 4 = ~57mg left
day 5 = ~37mg left
day 6 = ~25mg left
day 7 = ~16mg left
day 8 = ~10mg left
day 9 = ~7mg left
day 10 = ~4mg left
day 11 = ~3mg left
day 12 = ~2mg left
day 13 = ~1mg left
day 14 = ~.9mg left
day 15 = ~.5mg left
day 16 = ~.3mg left
day 17 = ~.2mg left
day 18 = ~.1mg left
and it just keeps falling from there...
so technically it's gonna be there for quite some time even if it's only in minute amounts.