These provide evidence for general biological principles (GH/IGF-1 axis supporting musculoskeletal health, collagen building blocks beneficial) lending credibility to targeted peptide interventions though not direct proof
This benefit contributes to maintaining smooth, healthy, and resilient skin
Update: Our readers suffer from pernicious anemia and need lifelong B12 shots, so we partnered up with a lab in the UK to offer vials of medical-grade methylcobalamin for $129 or less, which can bring the cost per shot down to $3.10-$3.90
Tang S-T, Wang C-J, Tang H-Q, Zhang Q, Wang Y
(2) L Sun, A Li, Y Hu, Y Li, L Shang, and L Zhang (2019) Self-Assembled Fluorescent and Antibacterial GHK-Cu Nanoparticles for Wound Healing Applications Particle and Particle Systems Characterization, 27 February 2019, Volume 36, Issue 4, Page 1800420