b12 injection is iv or im Vitamin Dosage for Adults: Guidelines B12 IM Injection | Irvine

If you inject only once a week or worse, once a month youll barely see any improvement

While sufficient amounts are often obtained through diet alone, some conditions prevent the body from using Vitamin B12 to ensure their body functions normally, especially in older adults and You may need Vitamin B12 supplements if you have poor nutrition, HIV, cancer, pregnancy, celiac disease, alcoholism, stomach problems, age and vegan diets that restrict animal products and rely on plant foods

Archived (PDF) from the original on 15 October 2019

The main consideration is ensuring adequate hydration and electrolytes, as fasting plus peptide use may increase demands on both