b12 level 2000 after injection Optimal Vitamin Dosage and Treating Deficiency Vitamin B12 - PMC

I tried injecting 100 mg and it took 8 mL Correct this is exactly why research community discussion favors the oral route at higher doses over injecting large SubQ volumes

The side effects you may experience from a lipotropic injection vary from one injection to the next

1 2 "Dorothy Mary Crowfoot Hodgkin, 12 May 1910 29 July 1994"

These include- Aged over 75 Decreased stomach acid Frequent use of antacids Autoimmune conditions affecting the stomach High doses of folic acid Stomach surgery Prolonged use of metformin Adoption of a vegan or vegetarian diet Excessive alcohol consumption How Does Vitamin B12 Benefit Your Body