The mitochondria play a critical role in energy production in each cell, earning them the name powerhouses of the cell
Mant CT, Chen Y, Yan Z, Popa TV, Kovacs JM, Mills JB, et al
Once absorbed, it binds to plasma proteins before it is transported around the body
They are not aware of the need to ensure they have adequate levels of B12 and so far, the evidence suggests that people who are vegan are less likely to be overweight, and at less risk of type 2 diabetes and heart disease
But a persistent metallic taste in the mouth could indicate something more serious, for example, problems with liver or kidney function, an allergy to certain foods, or even anaphylaxis, a life-threatening allergic reaction