Masking the Off Taste and Odor of Glutathione While Increasing Bioavailability Glutathione & NMN Ampoule. Volume: 30 ml. The jar is quite heavy and made of glass. The serum has a clear, gel like consistency. But its scent reminds me of rotten eggs , but that's exactly Why does glutathione smell like sulfur? Dr. Nayan Patel shares that glutathione's sulfur smell comes from its powerful detox properties. Sulfur helps your body flush out toxins, which is why Glutathione Side Effects: Everything You Need to Know Hone Health Grace and Glow Bright & Smooth Deodorant Serum with Niacinamide and AH D Nelson Enterprises