is 2mg of ghk cu too much 7% GHK-CU ACCELERANT GHK-CU Making Skin Worse: Complete
Description
Arch Dis Child

It helps with: Leaky gut Ulcers Crohns disease IBS This makes it incredibly popular with patients focused on gut-brain axis healing and root-cause functional medicine

I got the vaccine 8 days ago and have the same experience you are describing

Vidal-Alaball J, Butler C, Cannings-John R et al

This is typically short-lived and should subside within a few hours after the injection

(PubMed) Tran MT, Mitchell TM, Kennedy DT, Giles JT