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Vitamin B12, also known as cobalamin, is an essential nutrient that your body needs but cannot produce on its own[1]

The realistic caveat is that long-term maintenance without pharmacologic or procedural support is difficult for most people which is the entire reason the rest of this list exists

Daily range: 4 to 8 units per day on a 1 ml insulin syringe

Whether you are planning a pregnancy, managing menopause, following a vegetarian diet, or simply aiming to stay healthy, maintaining adequate vitamin B12 levels is crucial

This is probably where the idea that taking more vitamin B12 than you need will give you extra energy originally came from

Gather your materials and place them on a flat, clean surface