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Editorial refresh Practical 2026 note on GHK-Cu vs NAD++ A reader looking up GHK-Cu vs NAD++ is usually choosing between options, not reading for curiosity

Patients with pernicious anemia generally require lifelong monthly injections

Holwerda et al

Sources: Gehrig SM, Ryall JG, Schertzer JD, Lynch GS

Once-weekly formulations (semaglutide, dulaglutide) can be injected morning or night on the same day each week, whilst twice-daily exenatide must be given within 60 minutes before main meals

To achieve peak performance and accelerate recovery, peptide supplements are gaining traction with elite athletes who want to gain a competitive edge