Good question.. and I am really glad you ask, here is what I found.. ( you have probably notice I have found I love to research )
( this is a great site)
MSM has a unique action on body tissues. It decreases the pressure inside the cell. In removing fluids and toxins, sulfur affects the cell membrane. MSM is an organic form of sulfur, whereas sulfites
in foodstuffs are inorganic.
Since sulfur is a component of all cells, it is essential that the body have a plentiful supply of this mineral in its usable form. There is a positive synergistic effect on building healthier cells when MSM is taken in combination with vitamin C. The new cells are more pliable and permeable, allowing fluids to pass through the tissue more easily. (1) Internally this means more efficient elimination of toxins, a reduction in inflammation and pain - so you feel better. On the outside it shows up as a softer, smoother complexion, stronger hair and nails - so you look better.
I want to tell you tho' that my husband has COPD He only has 30% lung capacity left. When we started to take MSM we had no clue that he was holding fluid in his body. We always thougth MSM was only for arthritis, so I had never really researched it.. I Kinda found it just by a fluke.. And Said, WOW that sounds great.
When we started to take it, He started to urinate like he was drinking a gallon of water..like every hour and he was not drinking that much water. So we figure it must have been taking possible fluid from around his lungs. For it sure did not show that he had fluid build up anywhere else.
Hope this answers your question