Copper peptides (GHK-Cu) and retinol are the two most evidence-backed topical anti-aging actives, and they work through entirely different mechanisms
Group II, high-cholesterol diet and GF-fed rats From Geranyl Favonoid from Breadfruit Regulate Dyslipidemia in Hypercholesterolemic Rat Hai Niu, Limei Ma, Ke Li, Na Wang, Wen Huang Journal of Food and Nutrition Research
Bell Peppers: Both red and green bell peppers contain high levels of vitamin C
For example, BD patients exhibit high plasma levels and brain mRNA expression of pro-inflammatory cytokines, such as interleukin (IL)-6 and tumor necrosis factor- (TNF-) [28], and high acute phase reactants, such as C-reactive protein (CRP) [124]
The lean-user math uses class analogy from semaglutide and tirzepatide PK literature, not direct retatrutide measurement