Find the right blood test for you.

Measures folate inside red blood cells, which reflects longer-term status than a serum folate. Can help assess deficiency where recent meals may have skewed a serum result. View details →

Measures hemoglobin, the protein in red blood cells that carries oxygen. A low result is the standard definition of anemia. View details →

Measures transferrin, the protein that transports iron through the bloodstream. Rises when iron is low and falls with inflammation or poor nutrition. View details →

Measures vitamin B12, needed for red blood cell production and nerve function. Deficiency causes anemia and can cause nerve damage that may not fully reverse. View details →