B-12 deficiency is usually caused by problems with absorption, not by a lack of B12 in the diet.
Yes, but sometimes (often?) it can be cured by increasing dietary sources. Acute doses might not be ideal, though.
B-12 deficiency is usually caused by problems with absorption, not by a lack of B12 in the diet.
Yes, but sometimes (often?) it can be cured by increasing dietary sources. Acute doses might not be ideal, though.