ghk-cu side affects GHK-Cu: A Comprehensive Guide to Benefits, Effects, and Dosages Selected Biomarkers Revealed Potential Skin

It also mentions the possibility of offering intramuscular or oral vitamin B12 replacement to individuals with suspected or confirmed medicine-induced vitamin B12 deficiency [75]

That would be another example

Long-term NMN administration rescues the age-associated decline in physiological function, including mitochondrial function, energy metabolism, gene expression changes, insulin sensitivity and plasma lipid profile, thereby improving physical activities, such as bone density and eye function

This was observed in diverse population cohorts with multiple ethnic backgrounds, enhancing the generalizability of the results