When closed, tight junctions provide an effective barrier against everything from bacteria and viruses to antigens and ions
Lycopene from raw, unprocessed tomatoes is poorly absorbed by the human body
GHK-Cu (glycyl-L-histidyl-L-lysine bound to copper) is a naturally occurring copper-binding peptide your body produces less of with age
That number places it ahead of Tirzepatide (20.9%), well beyond Semaglutide (14.9%), and in an entirely different category from growth hormone secretagogues like CJC-1295 combined with Ipamorelin, or targeted compounds like AOD-9604
But these drugs do expire after a few weeks, and microdosing could increase the risk of inadvertently using them after their expiration date
Certain groups already face higher baseline risk for NAION, regardless of GLP-1 use: Adults over age 50