Common side effects are typically mild and temporary: Injection site reactions (redness, slight bruising) Mild headaches (usually first week only) Temporary fatigue as your body adjusts Serious side effects are rare when protocols are followed correctly
(2022) Antioxidants (Basel) 11, 278
But one layer deeperat the cellular leveltheres another key player that deserves your attention: glutathione

(6)Fmoc-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val- (6) Preparation of Fmoc-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val-resin: (5)Fmoc-Asp(otBu)-Ala-Gly-Leu-Val-105053010501060 3DMF3DMF2DMFFmoc-Asp(otBu)-OHDIEATBTU/HOBtHBTU/HOBtBOP/HOBt105010603DMF3DMF2Fmoc-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val- In the Fmoc-Asp(otBu)-Ala-Gly-Leu-Val-resin in step (5), add the decapping reagent at 1050C for 530 minutes, dry it with a vacuum pump, and add the decapping reagent again at 1050C React for 10-60 minutes, drain, wash 3 times with isopropanol, 3 times with DMF, 2 times with distilled DMF, add Fmoc-Asp(otBu)-OH, DIEA, TBTU/HOBt dissolved in DMF Or the mixture of HBTU/HOBt or BOP/HOBt, react at 10-50C for 10-60 minutes, drain with a vacuum pump, wash with isopropanol for 3 times, wash with DMF for 3 times, wash with re-distilled DMF for 2 times, and drain , obtain Fmoc-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val-resin
PLoS One 10 , e0125192 (2015)
It is best to take it on an empty stomach, at least 30 minutes before or 2 hours after a meal.