Unlike many generic glutathione products, RetzlerRx S-Acetyl Glutathione uses Emothion, a patented form designed for improved stability, along with acid-resistant capsule technology intended to help protect the ingredient until it reaches the small intestine
References and Further Reading: Patel, S., & Niazi, S
doi: 10.1056/NEJMoa1612917 93 YuMMorenoCHoaglandKMDahlyADitterKMistryMet al
But they tend to be mild. Orlistat has some unique (and unpleasant) side effects, like gas, oily or loose stools, and oily spotting (since your body has to get rid of the excess fat that it's not absorbing)
6a-l) visualized the changes in redox state compared to the controls
They may adjust your doses to help avoid this side effect