Since your body cannot absorb naturally produced B12 from gut bacteria, animal-based dietary sources like meat, fish, eggs and dairy[5] as well as fortified foods or supplements are necessary to meet daily needs
Lactating women are recommended to consume the amount of vitamin B12 as advised by the Food and Nutrition Board, National Academy of Sciences-National Research Council, which is 4 mcg daily
If you're unsure which injection may be more beneficial for you, we recommend speaking to a medical professional to determine your individual needs
Remember, the strategy here is to be able to take a low dose B12 supplement and get the rest of what you need from food
Common sites for self-injection are the thigh (vastus lateralis muscle) or the hip area
Experimental research is an earlier stage