Along with glutathione and melatonin, additional oral antioxidants and supplements like beta carotene, astaxathin, vitamin C, vitamin E, and others can work as oral sunscreens and help minimise melasma
One impact of the plant (main constituents are harmine and harmaline ) is that it increases GLP-1 in the hippocampus.[ref] Lithium: Lithium carbonate seems to suppress food intake (in some people) by activating GLP-1
These translational findings are an outgrowth of a mechanistic model in rodents with impaired plasticity of key brain areas relevant to mood, cognitive and other main disorders, wherein LAC levels are markedly decreased and signal abnormal brain and systemic functions
Another study published in JAMA Ophthalmology in February of 2025 analyzed data from 37.1 million adults with type 2 diabetes across 14 databases in the U.S
Additional scientific literature on ghk-cu peptide and copper-associated signaling pathways can be explored through publicly available databases such as PubMed
Benefits: Overall brightening, anti-aging effects, and immune support