Bone marrow smear demonstrating myelocytes See all media Also referred to as: hematopoiesis or hemopoiesis Vitamin B12 supplements are available in lots of types. You'll be able to swallow, chew, or drink them or place them less than your tongue. A healthcare Qualified could also inject you with vitamin B12. https://vitagenis.com/product/greens-superfood-support-berry