How to Test Blood pH Level

Authored or posted by | Updated on | Published on March 7, 2010 | 14 Replies
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Flickr Commons: Image provided by Abhishek Jacob

Your blood pH level plays an important role for your overall health, because if your blood pH level is acidic, your cells cannot function properly. Acidic blood or acidosis also creates an environment for harmful microorganisms and cancer to thrive in.

Acidic blood and cancer

Besides being toxic to cells, acidic blood also increases your risk of cancer, because it decreases oxygen and nutrient levels in your body; therefore, it can starve your cells of essential nutrients. Studies have shown that people with acidosis have higher risk of heart disease, cancer, osteoporosis, diabetes, arthritis and are more susceptible to diseases.

The human body works similar to an alkaline battery; thus, when its blood pH is too acidic, it does not function properly. As a result, the body’s energy decreases, cells cannot communicate properly, fungus and bacteria starts to grow out of control, and the body’s natural healing and defense system break down. The normal pH of human blood is slightly higher than 7.0. To be more specific, most experts agree that the normal pH of blood is between 7.35-7.45. If your blood pH is lower than 7.3, it is considered somewhat acidic.

How to test blood pH level

  • Saliva pH test: It is one of the fastest and simplest tests for measuring blood pH level. However, it is not the most accurate. Before taking the test, you should wait at least two hours after eating. Depending on the food you eat, it can increase or decrease your blood pH level. You should also do more than one test per day to get a better idea of where your blood pH is at. To do the saliva pH test, go buy the pH paper test strip at your local drug stores and health food stores and follow the directions on the package. You can also buy it online.
  • Urine pH test: This test works similar to the saliva pH test, but it tests urine instead of saliva. The pH test strip for testing urine is the same as the saliva pH test strip. For best result, do the test in the morning after your first trip to the bathroom. For the afternoon and evening test, you should wait a few hours after eating before doing them. To buy pH test strips for urine, visit this online store.
  • Blood pH test: This test is not as convenient as the saliva and urine pH test, but it is usually more accurate. To do the blood pH test, you will need to visit your doctor and get your blood drawn.

How to bring your blood pH back to its normal range

One of the major contributors to acidosis is carbon dioxide, a byproduct of metabolism. In normal levels, carbon dioxide does not cause your blood to become acidic, but in high levels it can increase your risk of acidosis.

As discussed at

… Carbon dioxide is a by-product of metabolism, and carbon dioxide combines with water to form carbonic acid. Also, lactic acid is a product of anaerobic metabolism, protein metabolism produces phosphoric and sulfuric acids, and lipid metabolism produces fatty acids. These acidic substances must continuously be eliminated from the body to maintain pH homeostasis.

… As carbon dioxide levels increase excess carbon dioxide reacts with water to form carbonic acid. The carbonic acid dissociates to form hydrogen ions and bicarbonate ions. The increase in hydrogen ion concentration causes the pH of the body fluids to decrease. If the pH of the body fluids falls below 7.35, symptoms of respiratory acidosis become apparent.

Acids can also be produced in your body when protein and fat are metabolized. Some great ways to prevent your blood from becoming too acidic are to avoid eating processed food and junk food. Also, stay away from soft drinks, carbonated beverages and drinks that have a lot of refined sugar, because these drinks rob your body of certain nutrients that are important for neutralizing acid in your blood.

One of the best ways to bring your blood pH back to its normal state is to eat mostly organic alkaline food. Another way is to drink distilled water. If you drink distilled water on a daily basis, you should notice an increase in energy and wellbeing due to having less toxic chemicals in your blood.

Distilled water is very pure water, so if you want to reduce your risk of acidosis, you will need to add some minerals to it. Doing this will improve your health even more and therefore reducing your risk of acidosis. For some of the best water distillers on the market, visit this online store.


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Category: Health & Wellness

Comments (14)

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  1. Ben A Hilleli says:

    This article contains some scientific fallacies:

    “To prevent your blood from becoming too acidic, avoid eating processed food and food that contains a lot of sugar”

    “One of the best ways to bring your blood pH back to its normal state is to drink alkaline water. If you drink alkaline water on a daily basis, you will notice an increase in energy and well-being due to having less acid in your blood. For some of the best alkaline water filter systems on the market”

    The food you ingest is NOT going to affect you blood pH. For one, the volume of what you eat is too small to affect your blood. This is basic, uncontroversial biology.
    As for your blood becoming too acidic – again, that is extremely rare and its not due to food. Human blood has a remarkably SMALL RANGE of 7.35 to 7.45, if you deviate from this by even a bit you will be in CRITICAL CONDITION, fighting for you life (coma and death often result). It is your bodies homeostasis system that keeps blood and other organ/system pH at optimal levels, NOT FOOD.

    You can drink as much alkaline or acidic water as you want, it will not affect your blood. Ingesting a lot of acid substances without rinsing/brushing your teeth can cause enamel to wear prematurely, that’s about the only real scientific consequence.

    BTW, statements like: “due to having less acid in your blood” are misnomers. You DO NOT ‘have acid in your blood’, your blood is acidic or alkaline — acid is NOT NOT NOT a foreign substance (your stomach juices, are by nature, and work optimally when they are highly acidic)! pH is simply a measure of hydrogen ions in a solution (hence pH, “power of Hydrogen”)

    • PL Chang says:

      Thanks for the info. I will look into your information more deeper and then update this article if necessary. My understanding is that the food you eat and the water you drink affect your blood pH.

      … most hydrogen ions originate from the breakdown of carbonic acid to its hydrogen and bicarbonate ion components. Thus, it is the aerobic production of carbon dioxide, derived from carbohydrate metabolism, that is the primary source of acid (volatile acid). Organic acids (fixed acids) also arise from protein and fat metabolism but normally in much smaller amounts.

      … As carbon dioxide levels increase excess carbon dioxide reacts with water to form carbonic acid. The carbonic acid dissociates to form hydrogen ions and bicarbonate ions. The increase in hydrogen ion concentration causes the pH of the body fluids to decrease. If the pH of the body fluids falls below 7.35, symptoms of respiratory acidosis become apparent.


      Would love to hear your thoughts on the information in block quotation.

      • Martin says:

        “The food you ingest is NOT going to affect you blood pH. For one, the volume of what you eat is too small to affect your blood. This is basic, uncontroversial biology.”

        Then can you please explain how food poisoning works?

        Can you also explain why doctors recommend copious water intake for patients with fever? Or to avoid certain foods for certain ailments?

        • Dan says:

          A high intake of the water is recommended for hydration purposes, as you fight a fever you dehydrate. That’s it, nothing to do with acidity.

          Food poisoning is bacterial, again, nothing to do with acidity.

          Food avoidance for things like ibs or celiac disease are also nothing to do with acidity.

          • Eva says:

            Thanks Dan, I can attest to your statements being true.

            The LUNGS AND KIDNEYS regulate pH – The lungs within seconds (via adequate C02 excretion/retention) and the kidneys over the span of days (via keeping/dumping bicarbonates)…

            “then update this article if necessary”
            Did you not even read the article you linked to?! It is horrible that people are reading this stuff at face value and overlooking the basic elements that are actually affecting their health. Good/pure food and water are awesome, but don’t peddle them with snippets of science manipulated and twisted beyond recognition.

      • Dan says:

        Carbon dioxide is removed through the simple process of breathing, it’s basic physiology. It’s also a way to measure our resting metabolic rates, by testing the ratio of o2/co2 in the air we breath. The more co2 we exhale, the more glucose we use as fuel.

      • tdst says:

        If you don’t eat properly the effect will likely be excessive acidosis that diminishes overall health, leading to cancer that cures itself and then recurs until lifespan has been diminished. Unraveling of genetic material caused by excessive acidosis appears as cancer, often leading to structural defects that the body must remove, taxing the organs and reducing longevity, particularly if the proper restorative diet is not consumed. Surgery may be required to realign structural pathways to proper functionality. Ideally diet can be maintained to avoid structural deficiency that inhibits functionality and longevity.

        • tdst says:

          The other factor is radiation. The proper application of heat or lack of heat and other forms of required radiation are required to maintain optimal structural integrity and functionality.

          • Eva says:

            Hmmm, nope. Nope. Nope.

            THE LUNGS AND KIDNEYS regulate pH.
            Food we eat plays plenty of roles in health – not in pH though!

            See Ben & my comment above.

            • Raymond says:

              A lot of comments make it impossible to determine what’s right or wrong. It is like the environment debate. Personally, I had a 5.0 PH balance 1 year ago and today it is a 7.25. It took me 8.5 months of a more balanced diet, as well as a H202 or sodium bicarbonate drink in the morning to reach my target. I am not a scientist but it worked for me. I read from several oncologists that ALL they cancer patients had a low PH. In case of doubts, I go for a healthy diet, I have nothing to lose. In the other hand, I may have a lot to lose with a unhealthy diet. It is the same debate for the environment, maybe we do not pollute/destroy the environment, but we have nothing to lose to pollute less. Right?

              • PL Chang says:

                The type of food you eat will directly or indirectly affect your blood pH. Every system of the body is connected and depends on one another to work properly. When you eat unhealthy food (i.e, junk food), it harms your body and robs it of nutrients. Overtime, it will cause health problems. Because every system of the body is connected, when your health deteriorates, it increases your risk of acidosis (acidic blood).

                The people who think that there is no relationship between acidosis and food do not understand how the body really works. The body is a holistic system and therefore when a part of it is not working properly due to toxins, unhealthy foods, or other harmful substances, it affects every system of the body.

              • S J Trivedi says:

                Pls let me know which test u undergo to find out PH level? Was it blood test or urine test? What drink did u had od sodium carbonate? I have to take strong pentaprezole 40 with itopride 150 fro slow release ( Pretora I or pent acid It) pls help

    • frank says:

      hello i agree food plays a small role the body PH // but todays food is a synthetic , man made , bio engineered , etc , it just is not natural food which takes all bets off the table , frank

  2. Zombie says:

    Drinking distilled water is a BAD IDEA. I repeat… BAD IDEA! Water is a polar molecule. This means it attracts anything with a charge. Pure water is like a vacuum sucking in any particulates or molecules with a charged area/tail. If you used nothing but the purest distilled water as tap water (say, 99 percent pure) it would begin stripping the copper off your pipes. This is volatile stuff, people!

    So drinking distilled water, while not as severe, over time will strip vitamins and minerals from your body and will become a severe issue.

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