In reality of course, it turns out that when blood is deprived of oxygen, it actually just turns dark red, as we often see when it is drawn when we are donating blood. When it’s oxygenated, it turns a brighter red. This red color primarily comes from the hemoglobin, which contains f...
This flapdoodle overlooks the fact that oxygen is not present in the blood as O2, but is complexed to hemoglobin which controls the amount of oxygen delivered to cells through an exquisitely-evolved feedback mechanism. What these hucksters mean by "stabilizing" the oxygen is not entirely clear....