how to increase blood oxygen level
Breathe fresh air. You can increase blood oxygen by breathing fresher air. Allow fresh air to permeate all the rooms of your office, home and car. Open the windows in your bedroom before you go to sleep. Eat foods high in Vitamin F (essential fatty acids). This vitamin increases the oxygen holding capacity of the hemoglobin (the chemical that holds oxygen) in your red blood cells. Foods rich in Vitamin F include avocados, walnuts and soybeans.