Some notable safety-related conclusions from scientific materials include: A 2016 review of TB4 for dermal healing: The safety profile is excellent, and no preclinical toxicology has been found.22 A 2016 clinical trial on patients with STEMI: Our pilot study suggested that T4-optimized EPC transplantation appeared to be feasible and safe.34 A 2021 review of TB4 research: It was well tolerated and safe in healthy people and suitable for use in a clinical study.21 Though the compound itself may be generally safe for adults to use, some common side effects from TB4 injections reported by patients and doctors include: Injection site reactions (e.g., redness, mild swelling, or pain) Mild gastrointestinal symptoms Headaches and dizziness Rare but more serious side effects can include fever, blistering at the injection site, muscle aches, skin rash, vomiting, severe itching, or hives

GHK-Cu functions as both a signal peptide (triggering collagen synthesis) and a carrier peptide (delivering copper)
(11) N B Andersen, K Malmlf, P B Johansen, T T Andreassen, and G rtoft, H Oxlund (2001) The growth hormone secretagogue ipamorelin counteracts glucocorticoid-induced decrease in bone formation of adult rats Growth Hormone and IGF Research, 2001 Oct, Volume 11 (Issue 5), Pages 266-72
Indiveri C, et al
Then count slowly to 5 to make sure the full dose is given