Glutathione is often taken in dietary supplements to improve overall health and is most often available in a liquid or capsule
It does not cause the irritation, photosensitivity, or barrier disruption associated with retinoids
Last reviewed: June 28, 2026 Last updated: June 28, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Recent news underscores caution
It was also demonstrated to downregulate Fe 2+ , cyclooxygenase 2 (COX2), and upregulate Nrf2 and its downstream related ferritin (including SLC7A11, GPX4, HO-1) expression to reduce lipid peroxidation and inhibit retinal ferroptosis (Song et al., 2024)
If you miss a daily dose of Rybelsus, skip it completely and continue taking your medication the following day