b12 injection in bicep How to self-inject intramuscular vitamin - Overview Biceps Tendon Injection Techniques

High doses arent stored in the body

Healthy diets help speed results after vitamin b12 energy shots

B12 dietary sources: Vitamin B12 is naturally found only in animal products: Meat (beef, pork, lamb) Fish and seafood (salmon, trout, tuna, clams) Dairy products (milk, cheese, yoghurt) Eggs Fortified foods (plant-based milk alternatives, breakfast cereals, nutritional yeast) At-risk groups requiring particular attention: Vegetarians and vegans : Should consume fortified foods regularly or take B12 supplements (at least 10 micrograms daily or 2000 micrograms weekly) Older adults : Reduced stomach acid production impairs B12 absorption

But, you are not the only one feeling this violation of expectation (read NYTimes article in post 119)