ghk-cu peptide skin regeneration study Ever heard of peptide? It's a naturally occurring copper that helps repair tissue, stimulate collagen, and support healing. When used in injectable form, it works at a deeper level Copper Peptides in Regenerative Aesthetic

Reported benefits (per available research): Studied for its ability to raise GH and IGF-1 toward youthful levels and blunt age-related loss of fat-free mass, based on a 2-year randomized, placebo-controlled trial in 65 healthy older adults (Nass et al., 2008, Annals of Internal Medicine, PMID 18981485)

People often describe BPC-157 as a healing peptide, and that description is directionally correct, but it does not capture the nuance

Many people suffering from fatigue, lack of energy and headaches choose to take a B12 supplement in the form of a daily pill, but is this as effective at treating symptoms as a B12 injection

Your father included

For a full picture, other labs may be run in conjunction with serum B12 to indicate cellular activity of B12