Because it is not produced by the body, we must obtain it through diet or supplementation
When vitamin B12 deficiency symptoms do appear, they often include the following: Anemia and other red blood cell irregularities: Without sufficient vitamin B12 to assist in red blood cell formation, patients often develop megaloblastic anemia (when the red blood cells are oversized and abnormally shaped), low red blood cell count, and other problems
Support Mood and Stress Management Low levels of B12 are often linked to mood imbalances, irritability, and even depression
Additionally, they can be taken in the same appointment
Vitamin B12 deficiency can cause symptoms such as fatigue, weakness, numbness or tingling in the hands and feet, balance problems, and memory difficulties
HUBERMAN: In order to find out the lethal dose of something, as you can imagine, unfortunately, the way these studies are done is they give animals more and more, that is higher and higher doses of a given compound, find out at what point about 50% of the population of those animals starts to die, and then that's the so-called LD50, or at least that's one crude way of describing it
