An HER2 member on a Metformin trial sent me a PM and said I could post her info but that she was too exhausted at present to post. Therefore I am posting 2 of the websites she kindly mentioned. She's triple positive.
Thanks also Donocco for this info. It certainly does sound as if Metformin is worth considering.
her info :
Https://academic.oup.com/annonc/arti...t-for-cancer-a
https://www.ncbi.nlm.nih.gov/pubmed/25740979
My endocrinologist is a huge fan of metformin, probably for the reasons outlined in the last link. Overall, it has many benefits with a very low risk of side effects. He has agreed to continue a prescription for me, even after the study ends."