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Measuring & Elevating Your Body’s Blood Oxygen Levels: A Comprehensive Guide

November 23, 2023 7 min read

    Measuring & Elevating Your Body’s Blood Oxygen Levels: A Comprehensive Guide

    In this comprehensive guide, discover how to effectively measure, monitor and manage your body’s blood oxygen levels. Find out the significant causes of low blood oxygen levels and explore readily available strategies to ameliorate sub-optimal oxygen levels.

    What are Blood Oxygen Levels?

    The phrase “blood oxygen levels,” or oxygen saturation or SpO2, signifies the percentage of oxygen-saturated hemoglobin in a person’s blood. Essentially, it refers to the amount of oxygen carried by the red blood cells in the bloodstream. Moreover, it reflects the efficiency of the respiratory system and circulatory system to deliver oxygen to every part of the body, which is essential for cellular function and survival.

    Blood oxygen levels play an important role in ensuring the cells in your body function optimally. Oxygen is transported by the red blood cells in the bloodstream, supplying energy and ensuring the efficient operation of cells. It is critical for various bodily processes, including cellular respiration, where oxygen helps to break down glucose, producing energy in the form of adenosine triphosphate (ATP). This energy fuels every cellular activity, promoting growth, repair and maintaining cellular integrity.

    A consistent supply of oxygen is essential for sustaining life, as it supports metabolism, aids in detoxification and plays a crucial role in immune function. Insufficient – or sub-optimal – oxygen levels can lead to a wide range of symptoms, including mental fogginess and fatigue.

    Ensuring adequate blood oxygen levels is not just about providing cells with the oxygen they need for energy production; it's also about supporting every physiological process that sustains life and health.

    What is a Healthy or Optimal Blood Oxygen Level?

    A healthy or optimal blood oxygen level is crucial for ensuring the proper functionality of your body. Typically, a blood oxygen saturation level between 95% to 100% is considered healthy or normal. This range signifies that your body is getting enough oxygen to function effectively. It is crucial to maintain these levels to ensure optimal health and prevent complications that may arise from mental or physical fatigue, and in extreme cases hypoxemia, a condition characterized by dangerously low oxygen levels in the blood.

    For healthy individuals who are active and not concerned with the potentially dangerous effects of low blood oxygen levels at higher elevation, maintaining optimal oxygen saturation levels is crucial for various reasons. Adequate oxygen levels ensure that every cell, tissue, and organ in the body functions optimally. It helps in efficient metabolism, promotes robust immune response and supports the body’s detoxification processes. A healthy, stable oxygen level also contributes to overall vitality and wellness, supporting cognitive function, physical strength and emotional well-being.

    As we age, our blood oxygen levels decrease. Seniors may be more prone to low blood oxygen levels due to age-related physiological changes. Individuals with compromised breathing and those living in cities where pollution is a problem, also may feel and be impacted by suboptimal blood oxygen levels. For optimal blood oxygen levels, focus on maintaining a healthy lifestyle incorporating regular exercise, balanced nutrition and adequate hydration. 

    Symptoms of Low or Sub-Optimal Blood Oxygen Levels 

    symptoms of low blood oxygen levels

    The more serious symptoms of low – or below optimal – blood oxygen levels include: 

    These symptoms should not be overlooked, as they indicate the necessity for immediate medical attention. Timely diagnosis and intervention can prevent further complications and help manage the underlying causes. 

    More common, less serious but still mentally and physically draining symptoms of below optimal oxygen levels include: 

    • Headaches
    • Mental fogginess
    • Cognitive impairment
    • Feeling sluggish and tired
    • Decreased physical energy or output
    • Lowered ability to sustain movement

    Short-Term Solutions for Optimal Oxygen Levels

    Short term solutions for enhancing blood oxygen levels

    Proper Breathing Techniques:

    Employ deep breathing exercises or try practicing yoga to increase your oxygen intake promptly. Some deep breathing techniques that may help your blood oxygen levels increase. Examples of exercises include pursed-lip breathing and deep belly breathing. They can open your airways and increase the amount of oxygen in your blood.

    Breathe in Fresh Air:

    Opening your windows or stepping outside for a walk can elevate the oxygen intake of your body, thereby boosting your overall blood oxygen level.

    Breathe Oxygen Plus (O+) for Oxygen Supplementation:

    When you're breathing or ambient air isn’t enough, O+ canned oxygen can be an effective solution to temporarily augment your body’s depleted oxygen levels to normal, healthy levels. Oxygen Plus provides pure recreational oxygen – concentrated to more than five times the amount of oxygen found in unpolluted, everyday air – for a quick boost of energy and vitality. O+ oxygen is used by active, healthy people who want to think, feel and perform their best by ensuring their oxygen levels are topped off whenever it becomes depleted from vigorous physical activity, travel, pollution, stress or any situation that lowers the body’s oxygen levels.

    Long-Term Solutions for Enhancing Blood Oxygen Levels

    Regular Physical Activity:

    Incorporating consistent physical exercise into your routine can greatly improve your respiratory health and oxygen levels over time. Regular physical activity strengthens the respiratory muscles, enhances lung capacity and improves the efficiency of oxygen exchange. As you exercise, the demand for oxygen in your muscles increases, which in turn enhances your respiratory rate and volume. The consistent increase in oxygen demand encourages your respiratory system to become more efficient in taking in oxygen and transporting it to the muscles that are at work.

    Healthy Diet:

    A balanced diet rich in antioxidants can help increase your blood oxygen levels by enhancing overall respiratory function. Consuming foods high in antioxidants such as vitamins C, E and beta-carotene can aid in combating oxidative stress, which is harmful to lung tissue and can impair its functioning. Antioxidants help in protecting the respiratory system from damage caused by free radicals, thereby supporting healthy lung function and enhancing the capacity for oxygen exchange.


    In addition to maintaining optimal oxygen levels, ensuring adequate water intake is also essential for optimal blood oxygen levels in its ability to facilitate blood volume and enable efficient oxygen transport. In short, a consistent flow of blood volume is essential for ensuring that oxygen and other essential nutrients are efficiently transported to the cells and tissues throughout the body.

    Quit Smoking:

    Just two to three weeks after quitting smoking, you'll likely notice a considerable improvement in your circulation. Between one to nine months, your experiences of shortness of breath will diminish. Both of these improvements play a crucial role in enhancing your body's capacity to absorb more, and effectively use, your body’s oxygen.

    How to Measure Blood Oxygen Levels

    Effectively measuring blood oxygen levels is a fundamental aspect of health monitoring and management. Accurate measurements can help an active, healthy person become more aware of oxygen demand during various activities and identify and correct potentially more health issues. A pulse oximeter stands out as one of the most utilized methods for measuring blood oxygen levels due to its non-invasive, straightforward readings and availability.

    A pulse oximeter is a small device that effortlessly fits over a person’s fingertip. It works by sending wavelengths of light through the finger and analyzing the light absorption of oxygenated and deoxygenated blood, providing a reading of oxygen saturation levels in the blood. While not a medical device nor a perfect reflection of low blood oxygen levels, this reading helps an individual determine whether or not the body is delivering oxygen efficiently to his or her extremities. The device's ability to provide rapid results makes it an invaluable tool for monitoring oxygen levels in various medical settings, as well as for recreational and home environments where active, healthy people want a quick read on their body’s oxygen level.

    More accurate than pulse oximetry, the arterial blood gasses (ABG) test is another method of measuring blood oxygen levels. An ABG test takes a blood sample from an artery, typically in the wrist, and provides detailed information about oxygen and carbon dioxide levels and other elements in the blood. Despite the precision of ABG tests, the convenience, speed and non-invasive nature of pulse oximetry makes it a preferred choice for most individuals and healthcare providers. If these tools are used for medical reasons or to ensure they are used effectively, consult your healthcare professionals for a comprehensive understanding and analysis of the readings.

    While these methods are highly effective in measuring blood oxygen levels, it's crucial to recognize their limits and ensure regular, comprehensive health check-ups for a more thorough understanding of overall health and well-being.

    Causes of Low Blood Oxygen Levels

    Understanding the factors causing low blood oxygen levels is crucial for proactive health management. Various health conditions and environmental factors contribute to reduced oxygen levels in the blood, posing significant health risks if left unaddressed.

    Chronic Obstructive Pulmonary Disease (COPD), a group of lung diseases including emphysema and chronic bronchitis, is a prominent cause of low blood oxygen levels. COPD restricts air flow and causes abnormal inflammatory responses, reducing the oxygen exchange capacity of the lungs, leading to decreased oxygen in the blood.

    Similarly, anemia, a condition marked by a deficiency of red blood cells or hemoglobin, compromises the blood’s oxygen-carrying capacity. This deficiency can cause symptoms such as fatigue, dizziness and rapid heartbeat.

    Sleep apnea, another significant contributor, is characterized by intermittent breathing interruptions during sleep, leading to reduced oxygen supply to the body. Other potential causes include respiratory infections, certain medications, and high altitudes, which can all contribute to lowered oxygen levels in the blood.

    Think, Feel and Perform Your Best with Oxygen Plus

    If you’re a healthy, active person who wants to ensure optimal oxygen levels while you’re on the go, you may want to incorporate Oxygen Plus into your health journey. Supplemental oxygen is a proven boost of natural energy and supports cognition and mental clarity and alertness. Oxygen Plus is filled with 99.5% pure oxygen – and is the only oxygen made in a clean-room environment at an FDA-Registered Facility – so you know you are breathing the highest-quality source of recreational oxygen on the market. Plus, O+ oxygen is lightweight and portable, so you can always have a source of pure oxygen in-hand. Oxygen Plus is a viable part of the healthy lifestyle, and offers an effective, easy-to-use, all-natural tool that supports the benefits of healthy oxygenation. Think, feel and perform your best with Oxygen Plus! 


    Oxygen Plus (O+) products, which contain pure recreational oxygen, are intended for recreational, intermittent use only, not to be used as medical nor life-saving products. Prolonged use is defined as uninterrupted intake for more than 8 hours. Any person with any type of health or medical condition should consult their physician prior to the use of O+ products.Since O+ is not a medical product or intended for medical use, it is neither regulated nor approved by the FDA.

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