Science 318 , 16371640 (2007)
Good results are a thousand percent dependent on your doctor
Moreover, phenformin, at non-cytotoxic concentrations, had also an indirect anti-cancer effect through modulation of the chemokine milieu within the thyroid tumor microenvironment (inhibition of CXCL8 secretion) (Rotondi et al., 2018)
Curtis - Dr
A more extensive list of potential side effect risks (which are very rare), can be read on the Botox for chronic migraine AbbVie website
Conversely, the control group had a higher intake of fiber, vitamin C, vitamin B1, iron, caffeine, and potassium