Taking the stimulants caffeine and ephedra with creatine can increase the risk of side effects
(9) Fangru Jiang, Yanan Wu, Zhe Liu, Minhua Hong, and Yi Huang (2023) Synergy of GHK-Cu and hyaluronic acid on collagen IV upregulation via fibroblast and ex-vivo skin tests Journal of Cosmetic Dermatology, 2023 Sep, Volume 22 (Issue 9), Pages 2598-2604
Participation of postsynaptic PKC in cerebellar long-term depression in culture
Studies have shown that glutamine supplementation can decrease the recovery period during times of injury (6): It is a popular supplement for overtraining syndrome, in which the overworked body cannot produce enough glutamine on its own. Diminishing glutamine levels can also expose the athlete to a higher rate of infection, further justifying its importance
Visible results within a short time
Research suggests it promotes angiogenesis, the formation of new blood vessels in tissues like tendons and ligaments that normally have very poor blood supply