Why choose intramuscular vitamin injections over oral vitamins
The subcutaneous tissue, or hypodermis, is the layer of fat and connective tissue located right beneath the skin and above the muscle layer
Interestingly, this serums key ingredient list is the longest of our top picks, and it includes: Copper tripeptide-1 (GHK-Cu) Lactococcus ferment lysate Matrixyl 3000 (branded complex of palmitoyl tripeptide-1 and palmitoyl tetrapeptide-7) Matrixyl synthe'6 (branded complex containing palmitoyl tripeptide-38) Argirelox (branded complex of acetyl hexapeptide-8 and pentapeptide-18) Syn-Ake (branded dipeptide diaminobutyroyl benzylamide diacetate) Acetylarginyltryptophyl diphenylglycine Sodium hyaluronate Below, we break down the research behind some of these ingredients
Phase II Clinical Trials These promising preclinical findings led to Phase I and Phase II clinical trials in humans
Approved manufacturers like Eli Lilly and Novo Nordisk invested billions to earn their NDAs and Biologics License Applications (BLAs)
Other naturally occurring peptides have roles in immune, inflammatory, metabolic and nervous system signaling