Supplementation with 300-600 mg/day has been shown to increase intracellular glutathione levels by 30-70% in cell culture and animal studies, with more modest increases in human trials (Suh et al., Proc Natl Acad Sci, 2004) [25]
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Food supplement: Sulphur-containing foods (broccoli, garlic, onions, spinach and avocados) are known to elevate the natural level of glutathione
The drugs, including semaglutide (Ozempic, Wegovy and Rybelsus), tirzepatide (Mounjaro and Zepbound) and retatrutide (still in clinical trials), are used to treat both diabetes and obesity
Regina DePietro, MD, a family medicine physician at MU Health Care in Columbia, Missouri, says that people also may microdose GLP-1s if they only want to lose a small amount of weight