Consider Medical History: If you have absorption issues or a history of low energy, shots may be more effective
A Vitamin B12 Test measures the amount of vitamin B12 in the blood, helping doctors diagnose deficiencies or excess levels of the vitamin
The injection solutions are made with a combination of amino acids and other nutrients that help your body process fats and turn them into energy
Glise Sandblad K, Schulman S, Rosengren A, Sorbo J, Philipson J, Hansson PO
A shortage of vitamin B12 can lead to fatigue, weakness, diarrhea, and other symptoms
Those following specific diets, such as vegan or vegetarian, might also benefit, as these diets can lack sufficient B12 sources