Xu HY, Liu CS, Huang CL, Chen L, Zheng YR, Huang SH, et al
It may also be used by farmers and laborers to reduce physical fatigue or hunger, and by drivers and students to improve attention
Kim JH, Choi Y, Lee S, Oh MS
Depending on how much you can afford, how much you can handle, and the protocol of the rest of your pharmacology, your cycle would differ wildly from someone elses
A good provider should help you choose whats appropriate, rather than pushing injections for everyone
For most people, expect about one to two weeks of noticeable effects, with the exact timing shaped by your levels, metabolism, diet, absorption, and age