Both oral and intramuscular B12 are compatible options
Chromium: Chromium picolinate has been shown to improve glucose tolerance in women with polycystic ovary syndrome
Choose an injection site with pinchable subcutaneous fat: lower abdomen (avoid 2 inches around the navel), love handles, outer thigh, or back of upper arm
Intranasal Noopept has shown promise in reversing motor symptoms and neurodegeneration in PINK1-knockout rats (a genetic model of Parkinson disease), with therapeutic effects associated with increased brain levels of BDNF and NGF
Martin-Montalvo A, Mercken EM, Mitchell SJ, Palacios HH, Mote PL, Scheibye-Knudsen M, Gomes AP, Ward TM, Minor RK, Blouin MJ, Schwab M, Pollak M, Zhang Y, Yu Y, Becker KG, Bohr VA, Ingram DK, Sinclair DA, Wolf NS, Spindler SR, Bernier M, de Cabo R