Sulforaphane may offer a possible treatment option for rhematoid arthritis....

You can find this free paper by Catholic University of Korea, Seoul here in 2009:

https://onlinelibrary.wiley.com/doi/epdf/10.1002/art.25017

Sulforaphane (SFN), a member of the isothiocya-nate family, is a highly potent inducer of phase II enzymes. It is abundantly present in cruciferous vegetables, such as broccoli, cauliflower, and radishes. SFN has anti-arthritic and immune regulatory effects.