vitamin b12 injection effects Feeling worse after Injection: Answering concerns Vitamin B12 Injections | When
Description
So I thought I'd just come on and explain a little bit more, not as advice, but just from my personal experience

No significant long-term risks have been identified in published research
Individualized Dosage Adjustment Protocols Every patient reacts differently to vitamin B12 therapy, and dose changes are common
Type may vary by formulation

However , scientific proof for this mainly applies to people who already have a deficiency