Tesamorelin GH/IGF-1 Axis Stimulation Tesamorelins mechanism runs through the opposite route: it signals the pituitary gland to increase natural growth hormone production, which in turn raises IGF-1 levels and drives fat metabolism as a downstream effect of that broader hormonal cascade
[15] [16] Tests may include full blood count, serum B12 levels, anti-intrinsic factor antibodies (to diagnose pernicious anaemia), and sometimes methylmalonic acid or homocysteine levels when the diagnosis is uncertain
The Injections: Why Theyre Often the First Line When a significant B12 deficiency is diagnosed, especially if its due to a malabsorption issue, your GP or specialist will almost certainly recommend injections
In June 2022 the UK medicines regulator updated its advice: the MHRA now lists low vitamin B12 as a common side effect of metformin, meaning it can affect up to one in ten people taking it
Getting treatment quickly can make a big difference