Its something that I have often recommended to clients, and in my survey of more than 2232 people with Hashimotos, 81 percent saw improvement in energy from ferritin/iron supplementation, so it is definitely something to consider once you know your levels are low
I havent had many side effects, except for occasional mild headaches, but overall, Im happy with the results." Source: Reddit - r/Peptides 2
5-Amino-1MQ removes a drain on it, while a precursor tops up the supply
On the other hand, those with methylation issues (MTHFR gene mutations carriers, for instance) do best on methylated B12, that is, methylcobalamin
The Benefits of Vitamin B12 Injections:
Intramuscular (IM) hydroxocobalamin is the recommended first-line treatment for pernicious anaemia in the UK, as advised by NICE and the British Society for Haematology