Air, water and food pollution, microplastic particles, nanoparticles, household chemicals and tobacco smoke are the most common epithelial barrier disrupting factors
So people that say, as long as it's working, I'm fine, leave it alone
John Myers, a Baltimore physician, developed it decades ago, and it's still where a lot of patients start
Johansen, Jette Nowak b, Christian Skjrbk, et al (1999) Ipamorelin, a new growth-hormone-releasing peptide, induces longitudinal bone growth in rats Growth Hormone & IGF Research, Volume 9, Issue 2, May 1999, Pages 106-113 (4) E Szentirmai, I Hajdu, F Obal Jr, and J M Krueger (2006) Ghrelin-induced sleep responses in ad libitum fed and food-restricted rats Brain Research Bulletin, 2006 May 30, Volume 69 (Issue 5), Pages 452-60
Drink at least half your body weight in ounces of water daily when using growth hormone peptides
/ Keep a simple log of your energy levels and skin appearance for 30 days