are b12 injections free on the nhs Vitamin for Pernicious Anaemia: UK Treatment Guide – Bolt Pharmacy Doctor Reveals Facts About B12

PMID 13253565

[135] Propionibacterium , the other commonly used bacteria, produce no exotoxins or endotoxins and are generally recognized as safe (have been granted GRAS status) by the Food and Drug Administration of the United States

Then we can see if your vitamin B12 levels seem healthy and determine if injections are needed

Inject subcutaneously or intramuscularly

[5] In summary, NAD+ Injection provides additional coenzyme substrate that may broadly support the cells energy-producing and regulatory enzymes, but its exact biological effects in people remain an area of active research and may vary depending on individual physiology