Read our complete GHK-Cu research guide for comprehensive background, or explore our complete peptide research guide for broader context
28 (7-8):753-6 Yasushi Honda, Takaomi Kessoku, Yoshio Sumida, Takashi Kobayashi, Takayuki Kato, Yuji Ogawa, Wataru Tomeno, Kento Imajo, Koji Fujita, Masato Yoneda, Koshi Kataoka, Masataka Taguri, Takeharu Yamanaka, Yuya Seko, Saiyu Tanaka, Satoru Saito, Masafumi Ono, Satoshi Oeda, Yuichiro Eguchi, Wataru Aoi, Kenji Sato, Yoshito Itoh, and Atsushi Nakajima - Efficacy of glutathione for the treatment of nonalcoholic fatty liver disease: an open-label, single-arm, multicenter, pilot study - BMC Gastroenterol
It brightens and reduces pigmentation, but your natural tone remains unchanged
For many, consistency is the most important factor in seeing long-term benefits, regardless of the specific hour the supplement is taken