b12 loading dose injection Best Vitamin Site: Administering B12 Shots What Is the Effective Dose
Description
Are there any side effects to be cautious of

doi: 10.1038/oby.2009.444

For example, 7.5mg could be divided into two 3.75mg injections 3-4 days apart

An oral B12 supplement often delivers far less than the label suggests
B12 injections may be especially relevant for people who follow a plant-based diet, have digestive issues, take certain medications, or struggle with nutrient absorption

B12 shots are not likely to increase energy or exercise performance in people who already have normal B12 levels
