Using a nasal spray eliminates the need for reconstitution, and dosing is straightforward with the metered spray format
Glutathione side effects are rare but may include minor allergic reactions, skin rashes, or slight discomfort
doi: 10.3389/fphar.2025.1725842 Received 15 October 2025 Revised 29 November 2025 Accepted 30 November 2025 Published 19 February 2026 Volume 16 - 2025 Edited by Yongsheng Chen, Jinan University, China Reviewed by Ramoji Kosuru, Versiti Blood Research Institute, United States Ling Chen, Shanghai Municipal Hospital of Traditional Chinese Medicine, China Updates Copyright 2026 Liu, Huang, Chen, Liang, Huang, Li, Xu and Xie
When taken orally, peptide therapys primary indication is gut health helping to repair the gut lining, reduce intestinal inflammation, and support a healthier microbiome