how many shades lighter with glutathione Premium Glow Lightening Lotion: 3 Lighter, No Discoloration Glutathione Injection for Skin Whitening:
Description
The concentration of plasma Hcy was measured by atmosphere pressure ionization (API) 3200 LC-MS/MS system (SCIEX, Tokyo, Japan) using the LC-MS/MS system [40]

Fix those first

Immune, inflammatory, and gut KPV A small anti-inflammatory peptide studied for gut inflammation, certain inflammatory skin conditions, and immune regulation

While there are no documented cases of glutathione supplements causing harm during pregnancy, the lack of definitive "safety-proven" data means your doctor will likely weigh the potential benefits against your specific health history
People with stomach issues might do better with sublingual or injectable forms

Mazzocchi A, et al