Intense exercise increases the fragility of RBCs
Zou J, Li M, Liu Z, Luo W, Han S, Xiao F, et al
Like if you have an elbow injury, they'll put it into the muscle right above the elbow or subcutaneously right above the elbow
It increases VEGF receptor activity to promote new blood vessel formation, enhances collagen synthesis and organization, activates the ERK1/2 signaling pathway for cell proliferation and migration, and modulates inflammatory responses to optimize healing conditions
Its much faster and more effective than taking an oral supplement, as that must pass through the digestive system (which reduces absorption)
Ethics declarations Competing Interests The authors declare no competing interests