Some researchers use both, with topical for local effect and injection for systemic support
The short version: feeling tired early on is common, and for most people it's temporary not a sign you're doing anything wrong
Instead of working on one hormone, this medicine targets two metabolic hormones instead of one
If activity exceeds 50 U/L, use a shorter reaction time or dilute the sample and repeat.
Rebel Wilson on Sex, Weight and Working With Sacha Baron Cohen
BMB Rep 51(9):474479 Ni F, Yu WM, Li Z, Graham DK, Jin L, Kang S, Rossi MR, Li S, Broxmeyer HE, Qu CK (2019) Critical role of ASCT2-mediated amino acid metabolism in promoting leukaemia development and progression