Recently I experienced a rather severe episode with fatigue and muscle weakness. Tests revealed my B12 was very low. Since then I have discovered this fairly common. My question: What causes a drop in B12?—Case, Aylmer, Ont.

B12 deficiency is much more common than we think. Recent research in our clinic showed that more than 30 per cent of our clients are functionally deficient for Vitamin B12.  This means the body does not have enough of this nutrient to function efficiently in many areas of metabolism, building proteins in the body, red blood cells, and normal function of nervous tissue.

Vitamin B12 deficiency often occurs as a combination of:
1)    Insufficient nutrient intake
2)    Poor absorption of B12 in the gut Continue…