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how much and how often to inject b12 Vitamin Injection Dosage B12 Injections | Vitamin B12
Description
Anaphylactic shock and death have been reported after parenteral Vitamin B12 administration

doi: 10.1172/JCI9238

If these supplements are taken in an excess, it can lead to vitamin overdose

What this does is that it interferes with the protein degradation in cancer cells, leading to cell death
