Can You Drink Diet Soda While Intermittent Fasting? – Amla Green

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Diet Soda and Intermittent Fasting

Can you have diet soda while you’re intermittent fasting? In this article, we’ll teach you why the answer is “no”, backed by strong scientific research. 

Intermittent fasting, whether you’re fasting for its health benefits or religious reasons, is a dietary strategy in which periods of food consumption (the ‘eating window’) alternates with fasting periods (the ‘fasting window’). 

Many studies have also demonstrated the immense power of regular intermittent fasting for weight loss, reduced insulin resistance, better cardiovascular health, improved neurological activity, and improved liver health

The key to intermittent fasting is a biological process called autophagy. While fasting, cells in tissues throughout your body must continue to oxidize (or burn) glucose, amino acids, and fatty acids to produce ATP, the cellular form of energy.

However, during a fast, cells all throughout your body have limited access to nutrients from food, and instead generate ATP by oxidizing stored glucose from glycogen, fat from triglyceride, and amino acids from protein.

This process of autophagy is actually very beneficial to your body when done in short and controlled periods, and as a result the benefits of intermittent fasting include:

  • Reducing inflammation
  • Burning excess fuel stores
  • Recycling old or dysfunctional cells

There are multiple methods of intermittent fasting -- the 16:8 method, the 24-hour method, the 5:2 method – and all are designed to allow for intentional, long periods between meals, specifically designed to improve many aspects of your overall health. 

So why don’t we recommend drinking diet soda during a fast?

Well, even though most diet sodas don’t have calories and won’t technically break your fast, these artificial drinks can counteract the health benefits of performing a fast in the first place

We’ll explain the scientific reasons below, and also provide some ideas for other, health-promoting zero calorie beverages that amplify benefits of fasting to your overall health and immunity, and even protect your liver.

The Problems with Diet Soda

Man with large belly holding a soda

We Know Regular Soda Has Detrimental Effects on Your Health

Numerous studies and reviews indicate negative effects from the consumption of sugar-sweetened beverages like soda or juice. This has become relatively common knowledge in recent years, and these negative effects include:

But what about diet sodas, which are marketed as the “calorie-free, sugar-free” alternative?

Some Truths About Diet Soda

Unfortunately, despite their lack of calories and sugars, diet drinks can be just as detrimental to your health as their sugar-sweetened counterparts.

While diet soda is often portrayed as a weight loss tool and an “acceptable” drink of choice for people with diabetes, the evidence shows some potential risks, aside from weight gain. 

For example, one study found that consuming artificial sweeteners may alter insulin sensitivity, which negates the zero calorie drinks benefits, and could actually worsen your diabetes health. 

A similar study from Purdue University showed that consuming diet soda may stimulate insulin production, increasing your risk for high cholesterol, insulin resistance, and central obesity.

Work is being done to isolate the exact biochemical reason that these sweeteners affect your body, but the research is starting to show that consumption of diet soda increases your risk for many chronic diseases. 

This correlation is evident in a study published in Diabetes Care, which examined diet soda consumption in a multi-ethnic study of atherosclerosis.

Researchers found that 1 daily serving of diet soda (at least 12 oz) correlated with a 36% greater chance of developing metabolic syndrome, and a 67% greater chance of developing type 2 diabetes. 

These results were supported by another comprehensive study published in the American Journal of Clinical Nutrition. Following 66,000 women for 14 years, researchers found that those who drank diet soda, or artificially-sweetened beverages, were just as likely to develop diabetes as those who drank normal sodas and sugar-sweetened beverages. 

In all, there is a strong, growing body of research that diet sodas do increase your risk for many chronic diseases, comparable to the consumption of regular sodas. If you are looking to satisfy a sweet tooth, head to this article.

How Diet Sodas Interfere with Intermittent Fasting

Man opening a pack of sweeteners over a cup

So the question still remains – can you drink diet soda while intermittent fasting? 

One popular rule of thumb for intermittent fasting is that you shouldn’t consume more than 50 calories, otherwise your fasting period will end prematurely. Others recommend not eating or drinking more than 100 calories. However, the exact number of calories isn’t clear in the evidence-based research. 

But diet soda, technically speaking, should be an acceptable drink when intermittent fasting since it has zero calories.

Now, you might be wondering, "does diet soda break a fast?" or "does diet coke interfere with fasting?" Well, even though diet sodas are calorie free beverages, perhaps a better question to ask is whether drinking diet sodas while intermittent fasting is health-damaging or health-promoting?

The Purpose of An Intermittent Fast

The goal of intermittent fasting is to dramatically lower your calorie intake for an extended period of time. 

In the post-prandial state following a meal, tissues are in a high-energy state in which energy uptake and storage is prioritized.

While in a fasted state, tissues oxidize stored nutrients, recycle amino acids, and detoxify harmful molecules.

Intermittent fasting is a conscious process you take to improve your health, allowing tissues to recycle damaged and dysfunctional proteins while burning stored energy. 

Meanwhile, diet sodas are packed with artificial sweeteners and other chemicals to give them their sweet taste, like aspartame, stevia, sucralose, and many others.

So while a diet soda may not technically break your intermittent fast, it may have short and long term negative effects that counteract the benefits of intermittent fasting in the first place! 

That’s why we recommend that you choose other, zero calorie beverage alternatives during your intermittent fast that promote your health, like the ones listed below. They can provide you with key nutrients, stabilize your blood sugar levels, and even enhance the benefits of your intermittent fast. 

And always remember, if you have to eat or drink calories because you’re irritable, feeling weak or lightheaded, or going hypoglycemic (as is possible if you have insulin-dependent diabetes), then that’s okay. A small, whole-food snack won’t entirely negate the benefits of intermittent fasting as long as you keep your calorie intake as close to zero as possible. And if you need additional help, head to this article for 3 tips for a successful intermittent fast.

Some Recommended Drinks for Intermittent Fasting

Mug of warm green tea

 

Putting your body into a fasting state means keeping your calorie balance as close to zero as possible, to take advantage of the benefits of autophagy. 

So we’ve put together a list of recommended beverages for intermittent fasting. The drinks here can help keep you full and refreshed, curb your appetite, taste great, and may even accelerate weight loss. 

Water — Our first suggestion is also our simplest. Drinking water is the easiest way to stay hydrated, and also reduces your hunger and feelings of craving by making you feel full. Naturally flavored water is also a great choice. If you want to learn more about the different types of flavored waters and how they influence your fast, head to this article

Carbonated Water — Much like still water, carbonated water keeps you hydrated, curbs your appetite, and makes you feel full. The added carbonation can provide the crisp sensation many enjoy with a soda, but with none of the negative effects. 

Green Tea Green tea is one of the healthiest beverages on Earth. Evidence-based research has consistently demonstrated that green tea helps reduce your risk for cancer, improves artery function, and protects against cardiovascular disease.
Note: Research has also shown that even adding small amounts of milk to green tea can block its protective action, so we recommend enjoying your tea plain or with a squeeze of lemon juice

Herbal Tea —  Herbal teas like black tea, Oolong, and many others can be an excellent addition to a low-fat plant based whole-food diet because they are packed with valuable antioxidants. In this regard, one tea stands above the rest — Amla Green. Thanks to amla (Indian gooseberries), the strongest pound for pound antioxidant on the planet, this tea offers a tasty mix of hibiscus or Oolong Green Tea that can also enhance your intermittent fast

Green Juices — Green juices are juices made from leafy greens and non-starchy vegetables such as cucumber, celery, lettuce, and tomato. These juices can be extremely nutrient-dense additions to your diet, but also do not contain enough carbohydrate energy to interrupt your fast. A great solution if you’re looking for something that tastes satisfying and filling. 

Apple Cider Vinegar Often referred to simply as “ACV”, apple cider vinegar is packed with natural nutrients that can help stabilize your blood glucose, shutting down hunger and cravings before they start. It doesn’t take much — usually one or two tablespoons — for this natural remedy to have an effect, which makes it an excellent quick fix during your fast.

List of approved drinks during intermittent fasting

The Final Word

With the options above, you’ll be able to stay hydrated, curb your hunger, and give your body crucial nutrients that may even help accelerate your intermittent fast. 

Our personal favorite is Amla Green, due to its vibrant flavors and the many metabolic benefits of amla. Amla Green takes all of the benefits of green teas and adds the benefits of amla, without breaking your fast. If you’re interested, you can click the link below and try your first batch entirely risk-free. Head to this article for four simple salad recipes to pair with your Amla Green tea.

Amla Green is available in both regular and decaffeinated versions, and our newest hibiscus flavor has many people raving about the smooth taste. Try one today!

References

Amla Green has strict guidelines for scientific references in our articles, and we rely on peer-reviewed studies, academic research institutions, governmental organizations, and reputable medical organizations. We do our best to avoid using non-evidence-based references in all articles. The references in this article are listed below.

“6 Reasons Why Drinking Water Can Help You to Lose Weight,” June 28, 2018. https://www.medicalnewstoday.com/articles/322296

Healthline. “10 Evidence-Based Benefits of Green Tea,” April 6, 2020. https://www.healthline.com/nutrition/top-10-evidence-based-health-benefits-of-green-tea

“10 Evidence-Based Health Benefits of Intermittent Fasting.” https://www.healthline.com/nutrition/10-health-benefits-of-intermittent-fasting#section2

Amla Green. “Amla Green DECAF.” https://amlagreen.com/products/amla-green-decaf

Amla Green. “Amla Green Hibiscus.” https://amlagreen.com/products/amla-green-hibiscus

“Amla Green Regular.” https://amlagreen.com/collections/all/products/amla-green-regular

Amla Green. “Antioxidant Rich Green Tea Powder Superfood.” https://amlagreen.com/

Healthline. “Autophagy: Definition, Diet, Fasting, Cancer, Benefits, and More,” August 23, 2018. https://www.healthline.com/health/autophagy

“Diet Soda Intake and Risk of Incident Metabolic Syndrome and Type 2 Diabetes in the Multi-Ethnic Study of Atherosclerosis (MESA) | Diabetes Care.” https://care.diabetesjournals.org/content/32/4/688

“Drinking Green Tea with Milk Is Bad For You - True or False? - Green T.” https://www.japanesegreenteain.com/blogs/green-tea-and-health/drinking-green-tea-with-milk-is-bad-for-you-true-or-false-green-tea-quiz

Fagherazzi, Guy, Alice Vilier, Daniela Saes Sartorelli, Martin Lajous, Beverley Balkau, and Françoise Clavel-Chapelon. “Consumption of Artificially and Sugar-Sweetened Beverages and Incident Type 2 Diabetes in the Etude Epidémiologique Auprès Des Femmes de La Mutuelle Générale de l’Education Nationale–European Prospective Investigation into Cancer and Nutrition Cohort.” The American Journal of Clinical Nutrition 97, no. 3 (March 1, 2013): 517–23. https://doi.org/10.3945/ajcn.112.050997

Fanello, Scott. “How Many Calories Break a Fast?” Medium, January 12, 2019. https://medium.com/@scott_3017/how-many-calories-break-a-fast-24266a22e8d6

“How Intermittent Fasting Can Help You Lose Weight.” https://www.healthline.com/nutrition/intermittent-fasting-and-weight-loss

Healthline. “Intermittent Fasting 101 — The Ultimate Beginner’s Guide,” April 21, 2020. https://www.healthline.com/nutrition/intermittent-fasting-guide

“Intermittent Fasting Can Be Good for Heart Health - The Washington Post.” https://www.washingtonpost.com/health/intermittent-fasting-works-for-many--not-only-for-weight-loss-but-also-for-heart-health/2020/06/12/11420c1c-a4d5-11ea-b619-3f9133bbb482_story.html

Malik, Vasanti S., Barry M. Popkin, George A. Bray, Jean-Pierre Després, and Frank B. Hu. “Sugar Sweetened Beverages, Obesity, Type 2 Diabetes and Cardiovascular Disease Risk.” Circulation 121, no. 11 (March 23, 2010): 1356–64. https://doi.org/10.1161/CIRCULATIONAHA.109.876185

“Metabolic Syndrome | NHLBI, NIH.” https://www.nhlbi.nih.gov/health-topics/metabolic-syndrome

Nettleton, Jennifer A., Pamela L. Lutsey, Youfa Wang, João A. Lima, Erin D. Michos, and David R. Jacobs. “Diet Soda Intake and Risk of Incident Metabolic Syndrome and Type 2 Diabetes in the Multi-Ethnic Study of Atherosclerosis (MESA).” Diabetes Care 32, no. 4 (April 1, 2009): 688–94. https://doi.org/10.2337/dc08-1799

Palmer, Julie R., Deborah A. Boggs, Supriya Krishnan, Frank B. Hu, Martha Singer, and Lynn Rosenberg. “Sugar-Sweetened Beverages and Incidence of Type 2 Diabetes Mellitus in African American Women.” Archives of Internal Medicine 168, no. 14 (July 28, 2008): 1487–92. https://doi.org/10.1001/archinte.168.14.1487

Phillips, Matthew C.L. “Fasting as a Therapy in Neurological Disease.” Nutrients 11, no. 10 (October 17, 2019). https://doi.org/10.3390/nu11102501.

Purohit, Vikas, and Sundeep Mishra. “The Truth about Artificial Sweeteners – Are They Good for Diabetics?” Indian Heart Journal 70, no. 1 (2018): 197–99. https://doi.org/10.1016/j.ihj.2018.01.020

Stanhope, Kimber L., Jean-Marc Schwarz, and Peter J. Havel. “Adverse Metabolic Effects of Dietary Fructose: Results from the Recent Epidemiological, Clinical, and Mechanistic Studies.” Current Opinion in Lipidology 24, no. 3 (June 2013): 198–206. https://doi.org/10.1097/MOL.0b013e3283613bca

“Study Discovers Novel Ways Intermittent Fasting Improves Liver Health.” https://newatlas.com/health-wellbeing/intermittent-fasting-liver-metabolism-protein-health/

Amla Green. “Supercharge Your Intermittent Fast with Amla.” https://amlagreen.com/pages/supercharge-your-intermittent-fast-with-amla

Swithers, Susan E. “Artificial Sweeteners Produce the Counterintuitive Effect of Inducing Metabolic Derangements.” Trends in Endocrinology and Metabolism: TEM 24, no. 9 (September 2013): 431–41. https://doi.org/10.1016/j.tem.2013.05.005

“The Benefits of Intermittent Fasting | UCI Health | Orange County, CA.” https://www.ucihealth.org/blog/2020/01/intermittent-fasting

“The Obesogenic Effect of High Fructose Exposure during Early Development | Nature Reviews Endocrinology.” https://www.nature.com/articles/nrendo.2013.108

Thresher, J. S., D. A. Podolin, Y. Wei, R. S. Mazzeo, and M. J. Pagliassotti. “Comparison of the Effects of Sucrose and Fructose on Insulin Action and Glucose Tolerance.” American Journal of Physiology. Regulatory, Integrative and Comparative Physiology 279, no. 4 (October 2000): R1334-1340. https://doi.org/10.1152/ajpregu.2000.279.4.R1334

Wang, Meng, Min Yu, Le Fang, and Ru-Ying Hu. “Association between Sugar-Sweetened Beverages and Type 2 Diabetes: A Meta-Analysis.” Journal of Diabetes Investigation 6, no. 3 (May 2015): 360–66. https://doi.org/10.1111/jdi.12309

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