Foods rich in sulfur, such as garlic, onions, and cruciferous vegetables, can help boost glutathione levels
It is currently classified as a research peptide and has not been evaluated by the FDA for safety or efficacy in humans
A poorly formulated product may have degraded significantly before you even open it
Peng, F, Sinjab, A, Dai, Y, Treekitkarnmongkol, W, Yang, S, Gomez Bolanos, L, Zhou, T, Chen, M, Serrano, A, Krishna, A, Karimi, N, Sharma, M, Basi, A, Pei, G, Liao, J, Liu, Y, Feng, J, Rahal, Z, Liu, Y, Jiang, J, Yu, K, Noun, T, Liu, Y, Khan, KB, Cho, KS, Chen, J, Solis Soto, LM, Mazzilli, SA, Dubinett, SM, Cascone, T, Spira, A, Swisher, SG , Jimbo, N, Hayashi, T, Kishikawa, S, Takamochi, K, Itoh, T, Yao, T, Suzuki, K, Kalhor, N, Wistuba, II, Li, M, Moghaddam, SM, Fujimoto, J, Burks, JK, Myers, JN, Akdemir, KC, Wang, L, Kadara, HN
Honestly, both work