The Smart Approach: Stack, Dont Switch Rather than choosing between copper peptides and retinol, the evidence supports using both each addresses aging through a different biological mechanism, and theres no known antagonism between the two pathways
Chiu, M., et al
Alcohol changes the biology the peptide is trying to influence
Green tea, especially matcha tea Fatty fish (salmon, mackerel, sardines) Avocado Spinach Green beans Asparagus Broccoli Okra Anything high in Omega-3 fatty acids (chia and flax seeds, walnuts, fatty fish) Pure Liposomal Glutathione Liquid Since the body cannot absorb glutathione well, other forms of it have become available after years of clinical trials and research
These discrepancies found in epidemiological studies may be due to different populations in terms of gender, levels of prolactin, co-morbidity, or study design