ghk cu copper peptide skin clinical study randomized We've been formulating with GHK-Cu long before it went viral., Tripeptide-1 is a biomimetic that works in harmony with skin, supporting collagen and elastin production, helping GHK-Cu: Mechanism of Action, Collagen
Description
Device technology improvements Precision nasal delivery devices that target the olfactory region specifically, rather than depositing peptide across the entire nasal cavity, could improve brain delivery efficiency by 3-5 fold according to preliminary studies

doi: 10.3389/fnut.2022.923569

Dose: 200 to 500 mcg/day, empty stomach, 4 to 8 weeks
Supports normal brain function*

Nutrients, 13 , 923

Improvements already are.better sleep, muscle pain has lessened (it was horrendous I could barely use my arms) I can feel my feet again, especially my toes