Delayed Skin Allergy to Glucosamine Chondroitin Supplement Cureus Datis If you have a sulfur sensitivity, glutathione can be problematic. Glutathione is primarily made up of sulfur, which can cause issues for those with a sulfur sensitivity. While Glutathione is Sulfur importance and allergy risks Differentiating Sulfur Compounds: Sulfa Drugs, Glucosamine Sulfate, Sulfur, and Sulfiting Agents THIS is a Sulfa Allergy : r Allergies 9 Health Benefits of Glutathione