symptoms after b12 injection Feeling worse Injection: Answering concerns Vitamin B12 Injections: Good or

In practice, providers may advise against NAD+ injections in patients with serious underlying medical conditions as a precaution

Adults with severe anaemia are at risk of developing: an abnormally fast heartbeat (tachycardia) heart failure, where the heart fails to pump enough blood around the body at the right pressure Complications of vitamin B12 deficiency A lack of vitamin B12 (with or without anaemia) can cause complications

These shifts occurred without altering BM-PB metabolic ratios, indicating preserved enzymatic balance despite systemic therapy

and Hoff-Jrgensen, E

Whether due to dose, form, or individual biology, these effects deserve attention, not dismissal