In the nutritional supplement industry, many claims are made for the superior absorption of certain, sometimes proprietary, mineral formulations. Drug stores and supermarkets, for example, sell chelated calcium and iron pills that are advertised to be absorbed better than cheaper non-chelated minerals.
Inother words, no problem! RDW refers to the variation in size if your red blood cells. A â¦ low RDW means that the cells are all roughly the same size. A high RDW means there isa high variation in the sizes of the cells and usually means a deficiency of iron and/or B12.f the RDW level is increased and the MCV level is normal. This can be caused by the beginning stages of a decrease in vitamin B12 or folic acid (a type of vitamin) in the body. It can also be caused by the beginning stages of iron deficiency anemia.
If your doctor tells you that your blood work shows a high rdw-cv,  it simply means you have a higher than normal red blood cell  distribution. This may be caused by an iron â¦ or B12 deficiency and  is usually easily treated with a change in diet and the addition of  supplements.f the RDW level is increased and the MCV level is normal. This can be caused by the beginning stages of a decrease in vitamin B12 or folic acid (a type of vitamin) in the body.