Along with this inability to breathe freely and sustain healthy blood oxygen levels comes a host of other ailments, including elevated anxiety and emotional stress, reduced energy levels, and compromised immune function. To ensure your blood is infused with oxygen, you need to work out regularly. But as people age, they are more likely to develop respiratory complications and experience breathing difficulties. Stay hydrated to improve your oxygen levels. If you want to try other fluids, fresh vegetable juices and smoothies can be a good choice. In general, there’s no cause for concern if your SpO2 levels are between 95%-100% at sea level. How to measure the oxygen level in your blood - SPO2 Medically, SPO2 is the term used when estimating a person's oxygen level in the bloodstream and is a standard part of patient care around the world. Here are a few strategies to increase blood oxygen levels while sleeping. 1. However, when depending on oxygen tanks as a primary oxygen supplement, there exists a severe risk: the body can learn to actively suppress the its natural respiratory system. How To Increase Blood Oxygen Levels. H2O is made of two hydrogen atoms and one oxygen atom. If you have chronic health conditions, your blood oxygen level may fall outside of the normal range. Taking deeper breaths can also increase the amount of oxygen in the bloodstream. This includes people with asthma, heart disease, and chronic obstructive pulmonary disease. SPO2 stands for peripheral capillary oxygen saturation, which means that it is the saturation of oxygen in the blood that is being measured. However, many new smartwatches and fitness trackers now can measure SpO2 levels. Performing deep-breathing exercises can have a calming effect, but the benefits go far beyond a more relaxed mind--your blood oxygen levels can rise, too. With your health in mind, we of the Lung Institute have put together a shortlist of 5 natural ways to improve your oxygen levels that should help in reducing your dependence on costly tanks. 5. Practice taking deep breaths. Drinking enough water will help you stay hydrated and increase the oxygen in your blood.