Food intolerance testing - Why use venous blood?
Food intolerance screening is done with blood, so blood sampling is essential for testing, and two methods are widely used. One method involves pricking a fingertip to obtain a few drops of blood. The advantage of this is that it can be done at home without the help of an assistant, but the disadvantage is that the small amount of blood taken may not be enough for the test, and the small amount of whole blood [...]
