I just came across an article about a genetic mutation called TMAU. It causes you not to create a certain enzyme that detoxes your cells. There is a test for it.
Maybe a little education will end the cruelty from your coworkers .I would print up scientific articles about it and write a (perfumed) letter to your coworkers, saying you regret that you have this condition and request their compassion and understading. Bamboo charcoal is good for absorbing odors or keeping an air purifier near you at work may help. If you are up front with them, they may help instead of hurting you.