what type of needle for b12 injections is the typical syringe size vitamin (cobalamin) injections? B12 Shots at Home: How,

AHK-Cu is a synthetic copper peptide designed primarily to signal around hair follicles, improving circulation and supporting thicker, fuller-looking hair and scalp health

It was designed to isolate the fat-metabolising activity localised to the C-terminal region of human growth hormone, while removing the receptor binding responsible for GHs growth-promoting and insulin-antagonistic effects

And here's where it get difficult again...there are many types of anaemia (not just macrocytic or iron anaemia) so pinning the anaemia down to just those causes (especially if those potential causes are being treated) might be a reductive approach - especially as you still have symptoms which could be due to anaemia

A deficiency or lack of Vitamin B12 is quite common in the over 65s, those diagnosed with pernicious anaemia, and in anyone who follows a vegan, strict vegetarian, or extreme/fad/restricted diet for a long time without taking a B12 supplement or eating fortified foods