Do not self-administer Neurobion Injection without prescription or medical guidance
The first peptide drug insulin was isolated in 1921 and became commercially available in 1923
Vitamin injections are highly useful in such circumstances and can aid you to access all the important nutrients at suitable levels
The human trials people cite tested the full protein rather than the fragment being sold, and most of those were never published or failed to show it worked
V. Kh. Khavinson, N. S. Linkova, and S. I. Tarnovskaya, Short Peptides Regulate Gene Expression, Springer Science and Business Media LLC, Dec. 2016. doi: 10.1007/s10517-016-3596-7
Studies show 129-152% increases in vessel density at injury sites, delivering vital oxygen and nutrients to healing tissue