Allegra (fexofenadine) allergy: I am not quite sure of the question. Allegra (fexofenadine) is a non drowsy antihistamine to treat symptoms of allergic or non allergic rhinitis. The symptoms include runny stuffy nose, sneezing, itchy and watery eyes. It can also help itching of the skin.
Most fruits also contain MSM, but no sulfur from cysteine or methionine, because there is hardly any protein in fruits. MSM has also been found in tea, coffee, beer and port wines. It is not easy to determine sulfur content in foods because the amounts depend greatly on the quality of soil and farming practices.
Various foods contain yeast extract or yeast proteins such as cottage cheese, yogurt, gravies and very ripe cheeses like brie. Other fermented foods that contain yeast are soy sauce, dressings, cider, dried fruits, chili sauce, sauerkraut and tomato ketchup. You'll also need to watch out for vinegar and foods that contain vinegar such as pickles, vinaigrette, mustard, chutney, canned roasted peppers and relishes.