It passes but too much passing through at the same time can cause diarrhea and GI upset.
and in turn depletes the body of nutrients. knee shot.
If anybody lives on a diet of vitamin C, more than depleted "knee shot"s are going to happen.
Obviously, you had better eat well all around so that the V-C has something to work with.
Sulfur also helps metabolizing VC, so the amounts don't have to be so sky high.
I have only good experiences with S, in low doses like under 500mg/d. Higher doses, say 2g+, as you got used to it, delivers superb results for a limited amount of time (weeks to months). I'm not as anti (certainly, not all) alternative meds as you might think.