Understanding the Acid-Alkaline Balance
The acid alkaline balance in the body is known as pH (potential hydrogen). pH is measured on a scale from 0 to 14: ● A pH under 7 is considered acidic ● A pH of exactly 7 is neutral ● A pH above 7 is alkaline (basic) The premise of the alkaline diet is that by eating certain foods, you can change your body’s pH level to be more alkaline. However, this claim is unproven by scientific research.
“Our body tightly regulates its pH balance, no matter what we eat. You can’t change the alkaline of your blood,” says Kathleen Zelman, a registered dietitian nutritionist. [2]Although you may be able to alter the pH levels of your urine by eating an alkaline diet, the pH of your urine does not correspond to your blood pH. Your body works to keep that level.
Alkaline Fruits and Vegetables
So what are these alkaline-promoting foods? The alkaline diet is mostly plant-based, favoring. [3].Alkaline fruits list contains:
• Watermelon • Cantaloupe • Berries (e.g., strawberries, blueberries) • Mangoes • Grapes • Kiwi • Lemons • Limes • Avocado • PearsAlkaline Vegetables:
• Spinach • Kale • Broccoli • Celery • Cucumber • Bell peppers (all colors) • Cauliflower • Brussels sprouts • Asparagus • ZucchiniThe Alkaline Diet for Weight Loss
One major claim of the alkaline diet is its ability to support weight loss. But what does the science say? The diet claims it can help you lose weight and prevent issues like arthritis and cancer. Supporters of this diet believe that eating certain foods that make your body more alkaline can shield against these conditions and also help you lose weight. [4]
The Bottom Line
The alkaline diet promotes eating foods that lower acidity and increase alkalinity in the body. While it promises weight loss and disease prevention, scientific evidence is limited. The body naturally regulates its pH levels regardless of diet, so changing them through food may not offer significant health benefits. However, the diet encourages healthy eating by focusing on fruits, vegetables, and whole foods, which can aid in weight loss by reducing calorie intake and improving overall nutrition. For effective results, combine an alkaline diet with regular exercise and balanced eating habits.


References:
- Blackburn, K B., The alkaline diet: What you need to know, The University of Texas, MD Anderson Cancer Center, (September 2018), https://www.mdanderson.org/publications/focused-on-health/the-alkaline-diet–what-you-need-to-know.h18-1592202.html
- Collins, S., Marks, J., Cameron, K., Alkaline Diet: Foods High in Alkaline, WebMD, (Feburary 12, 2024), https://www.webmd.com/diet/alkaline-diets
- Zanin, T., Alkaline Foods: Vegetables, Fruits, Herbs & More, Tua Saúde (September 2018), https://www.tuasaude.com/en/alkaline-foods/
- Cassetty, S, RD., What is the alkaline diet — and will it help you lose weight?, Better by Today, (3 July, 2018), https://www.nbcnews.com/better/pop-culture/what-alkaline-diet-does-it-work-ncna888311
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