In case you haven't seen it, here is a list of high sulphur foods:

Foods That Contain Sulphur

Asparagus
Avocado
Blueberries
Broccoli
Brussel Sprouts
Cabbage
Caluiflower
Cabbage
Carrots
Cheese
Cherries
Chives
Coconut
Eggs (Yokes)
Garlic
Grapes
Grains
Kale
Kohlrab
Leeks
Legumes
Meat Protein
Mustard
Nuts & Seeds
Onions
Pak Choi
Parsley
Radishes
Red Peppers
Rutabaga
Shallot
Swiss Chard
Tomatoes
Turnips
Watercress

Amino Acids That Contain Sulphur

Cysteine
Taurine
Methionine

Preservatives That Contain Sulphur

Sulfur Dioxide
Sodium Sulfite
Sodium Bisulfite
Sodium Metabisulfite
Potassium Bisulfite
Potassium Metabisulfite


Hope this helps.