when to check b12 after injection not increasing much shots? : r/B12_Deficiency How Fast Does B12 Injection

It is a vital component of your bodys system, required to function optimally

May be a marker of underlying disease (e.g., liver disease, malignancy, MDS/CML)

Age-Related Decline: As we age, our stomach acid naturally decreases, making it harder to extract B12 from our diet

However, some rare side effects of too much vitamin B12 can include: Headache Weakness Nausea Diarrhea Tingling sensations in the hands and feet Allergic reactions or skin rash (uncommon) When To Seek Medical Advice Risk of vitamin B12 deficiency: Groups at a higher risk of vitamin B12 deficiency include older adults, people who only eat plant-based foods (vegans and vegetarians), and those with certain chronic conditions (gastrointestinal disorders that can affect vitamin absorption)