side effects of the b12 injection : r/B12_Deficiency Common & Rare Side Effects

Frequently Asked Questions about Vitamin B12 Injections Conclusion: Is a B12 Injection Right for You

Individuals most likely to benefit include: Those with pernicious anemia People with gastrointestinal disorders (e.g., Crohns disease, celiac disease, chronic gastritis) Patients following bariatric (weight loss) surgery Older adults with absorption difficulties Strict vegetarians or vegans at risk for deficiency People taking medications that can decrease vitamin B12 levels Laboratory testing usually confirms B12 deficiency before starting injections

The peptide also increases NAD+ levels, which activate the SIRT1 gene

Serious side effects are rare but can include allergic reactions (rash, swelling, difficulty breathing) or, in very specific cases of severe anemia treatment, low potassium levels