Can You Change Your Body's pH Balance with Diet or Medication? - Internal Medicine

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Acidic constitution


Hello Dr.
Chen: Because I have an acidic constitution, I notice that after taking multivitamins, my urine has a distinct "vitamin" smell, and I feel like my body is not retaining them.
Does this mean that taking these vitamins is a "waste of money"? Is it possible with current medicine to fundamentally change my constitution through "a shot" or "medication"? I really can't consume many acidic foods in my daily diet.
Thank you for taking the time to respond!

sasa, 30~39 year old female. Ask Date: 2004/03/15

Dr. Chen Qingbin reply Internal Medicine


The body's acid-base balance is primarily regulated by the kidneys.
As long as kidney function is normal and the diet is balanced, there is no need to spend money on injections or medications.

Reply Date: 2004/03/15

More Info


The concept of "acidic body" or "acidic constitution" is often discussed in alternative health circles, but it is important to clarify that the human body has a highly regulated pH balance that is primarily maintained by the kidneys and lungs. The normal pH of blood is tightly regulated between 7.35 and 7.45, which is slightly alkaline. Any significant deviation from this range can lead to serious health issues, such as acidosis or alkalosis, which are medical emergencies.

When you mention feeling like your body is "acidic," it may be more related to your diet and lifestyle rather than a true physiological condition. The body does not become "acidic" in the way that some alternative health practitioners suggest; instead, it can experience temporary fluctuations in pH due to diet, hydration, and metabolic processes. For instance, consuming high amounts of protein or certain foods can lead to a more acidic urine pH, but this does not reflect the overall systemic pH of the body.

Regarding your experience with multivitamins and the noticeable change in your urine, this is quite common. Many vitamins, especially B vitamins, can cause urine to appear bright yellow or have a strong odor when taken in excess. This does not necessarily mean that you are wasting your money; rather, it indicates that your body is excreting what it does not need. If you are consuming a balanced diet, your body may not require additional supplementation, and it is advisable to consult with a healthcare professional to assess your specific nutritional needs.

As for the possibility of changing your body's pH balance through medication or injections, current medical science does not support the idea that one can fundamentally alter their body's pH balance in a healthy way through such means. The body’s regulatory systems are designed to maintain homeostasis, and any attempts to artificially alter this balance can lead to adverse effects.

To improve your overall health and potentially feel better, focusing on a balanced diet is crucial. A diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats can support your body's natural processes. Foods that are considered alkaline, such as leafy greens, nuts, and seeds, can be beneficial, but it is essential to remember that the body will regulate its pH regardless of dietary choices.

In terms of dietary adjustments, consider the following:
1. Increase Hydration: Drinking plenty of water can help your kidneys function optimally and assist in maintaining a balanced pH.

2. Balanced Diet: Aim for a variety of foods from all food groups. This includes whole grains, lean proteins, healthy fats, and plenty of fruits and vegetables.
3. Limit Processed Foods: Processed foods often contain high levels of sugar, salt, and unhealthy fats, which can negatively impact your health.

4. Regular Physical Activity: Exercise can help improve your overall health and may assist in maintaining a healthy weight, which is important for overall well-being.

5. Stress Management: Chronic stress can affect your body’s systems, including digestion and metabolism. Techniques such as mindfulness, yoga, or even regular walks can help reduce stress levels.

6. Consult a Professional: If you have ongoing health concerns, it is always best to consult with a healthcare provider or a registered dietitian who can provide personalized advice based on your health status and dietary needs.

In summary, while the idea of changing your body's pH balance through diet or medication is not supported by current medical understanding, adopting a healthy lifestyle can improve your overall well-being and help you feel better. Focus on a balanced diet, hydration, and stress management for optimal health.

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