russian b12 injection Shots Phoenix 6 and folate may be linked to depression.” Studies may be inconclusive Vitamin B12 Injection – Manufacturer
Description
Hydroxocobalamin 1mg intramuscular injections are prescription-only medicines in the UK, indicated for confirmed B12 deficiency or malabsorption conditions such as pernicious anaemia

Oral B-12 Supplements Effectiveness Oral supplements are the most familiar option
Many of these symptoms align with NICE NG12 guidance on suspected cancer referral pathways

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However, persistent or severe fatigue is not expected

Its human safety profile is not established there is no completed human trial
