Is one diet soda a day bad for you?

Author: Mr. Jovany Ernser MD  |  Last update: Tuesday, November 11, 2025

Studies have shown that even one or two diet sodas a day can have negative health effects. If regularly consumed in larger amounts, the harmful effects of diet soda are multiplied, potentially increasing the risk for a variety of serious health problems, including: Diabetes & Metabolic Syndrome.

Is it OK to have 1 Diet Coke everyday?

Drinking Diet Coke on a daily basis is generally not considered a good thing for overall health, as it contains artificial sweeteners and other additives that can have negative effects on the body over time.

How many diet sodas a day is safe?

And, by the way, most experts recommending limiting diet soda consumption to one can per day. (Related: PODCAST: Can You Really Indulge In Diet Soda Guilt-Free?) The FDA notes that IARC's classification doesn't actually mean that aspartame is linked to cancer.

Will one diet soda a day make you gain weight?

No. They have no calories, or so minimal that they are irrelevant nutritionally. They do not contribute to weight gain directly in an any way.

Is it OK to drink one soda a day?

Moderation: Consuming one soda a day could be acceptable if it fits within your daily caloric needs and is balanced with nutrient-dense foods. Alternatives: Consider healthier alternatives, such as sparkling water, herbal teas, or homemade fruit-infused water, which can provide flavor without the added sugars.

Here’s What One Can of Soda a Day For a Month Does to the Body

Is one zero sugar soda a day bad for you?

Studies have shown that even one or two diet sodas a day can have negative health effects. If regularly consumed in larger amounts, the harmful effects of diet soda are multiplied, potentially increasing the risk for a variety of serious health problems, including: Diabetes & Metabolic Syndrome.

Do diet sodas cause belly fat?

Diet soda intake is associated with long-term increases in waist circumference in a bi-ethnic cohort of older adults: The San Antonio Longitudinal Study of Aging.

Can I drink Coke Zero every day?

Despite these health risks, the occasional Coke Zero is ok. But as we have discussed, it is probably not something you should be drinking every day. For a healthier refreshing drink, you could try fruit-infused water, unsweetened tea, kombucha, or carbonated water without artificial sweetener or flavour added.

Are diet sodas worse than regular sodas?

Unlike regular sodas, diet sodas tend to lack energy (kcal) and added sugars. Both regular and diet sodas, however, lack many healthful nutrients.

Will I lose belly fat if I stop drinking diet soda?

Most people start drinking diet soda to help lose weight. But you might lose more weight giving it up. A recent study found that older adults who drank diet soda continued to pack on belly fat. Research also found that each daily diet soda increases your chance of becoming obese in the next decade by 65%.

Is 2 cans of Coke Zero a day bad?

Your allowable daily intake is considered by health authorities to be 11mg per kg body weight a day. A person of 80kg could take 800mg without it affecting their health; so every Coca-Cola Zero has 60mg per can. We would be in danger if we drank more than 13 cans, which is more than 4 litres a day.

Which is the healthiest soda?

Poppi: A health-focused soda containing apple cider vinegar, with flavors having under 25 calories and 5g sugar. Wave Soda: A mix of sparkling water and fruit juice, with each can having 15-25 calories and 2-6g sugar.

What is the healthiest drink you can drink?

When it comes to heart-healthy drinks, there's none better than water. Our bodies need it. In fact, we're mostly made up of water, including our major organs, such as the heart. Most of the chemical reactions that happen in our cells need water, and it helps our blood carry nutrients around the body.

Which Diet Coke has no aspartame?

Some popular diet soda brands that do not use aspartame include: Diet Coke with Splenda - uses sucralose as a sweetener. Pepsi One - uses acesulfame potassium and sucralose. Diet Rite - uses a combination of sucralose and acesulfame potassium.

What are the negatives of aspartame?

Aspartame use has also been associated with increased risk of type 2 diabetes, cardiovascular diseases, nonalcoholic fatty liver disease and hormone-related cancers [59,60,61,62,63,64,65,66]. Studies also indicated elevated risk of early menarche among girls aged 9–10 years.

Is one Diet Coke a day okay?

If you are drinking an entire sleeve of Diet Coke daily, you should cut back. However, a single Diet Coke a day that you enjoy and aren't replacing real food with can be perfectly fine.

What does aspartame do to the human body?

IARC classifies aspartame as “possibly carcinogenic to humans” (Group 2B), based on limited evidence it might cause cancer (specifically liver cancer) in people. IARC also notes there is limited evidence for cancer in lab animals and limited evidence related to possible mechanisms for it causing cancer.

Can stopping diet soda improve kidney function?

Kidney function declined over two decades in women who drank several diet sodas a day, according to researchers from the prestigious Nurses' Health Study. In fact, compared with women who did not drink diet soda, soda-drinking women had a 30% greater reduction in kidney function in 20 years.

Do you gain weight from drinking diet sodas everyday?

A number of studies actually link diet soda to weight gain. Harvard nutrition experts explain that diet sodas may trigger cravings for sweet, high-calories foods. So even if you cut calories by choosing sugar-free sodas, those calories — plus more — are added back in if you crave and cave to sugary, fatty foods.

How to get rid of soda belly?

11 natural ways to get rid of belly fat
  1. Focus on low calorie foods. ...
  2. Eliminate sugary drinks. ...
  3. Eat fewer refined carbs. ...
  4. Eat more fruits and vegetables. ...
  5. Go for lean proteins. ...
  6. Choose healthful fats. ...
  7. Develop a workout. ...
  8. Boost overall activity.

What's the worst soda for you?

Top 10 Worst Sodas You Should Avoid and Why
  • Nitro Pepsi Draft Cola by PepsiCo. ...
  • Mountain Dew Code Red by PepsiCo. ...
  • Mountain Dew Live Wire Orange by PepsiCo. ...
  • Welch's Grape Soda by Welch's. ...
  • Nehi Orange Soda by Keurig Dr Pepper. ...
  • Stewart's Orange N' Cream by Stewart's. ...
  • Mountain Dew Voltage by PepsiCo. ...
  • Mountain Dew by PepsiCo.

What are the three worst drinks for blood sugar?

What are the worst drinks for diabetes?
  • Fruit juice (unless treating low blood sugar)
  • Sweetened coffee or tea.
  • Sweetened sports drinks and energy drinks.
  • Regular soda.

How bad is diet soda for you?

There have been countless studies performed that all link diet soda to an increased risk of heart problems including congestive heart failure, heart disease, and/or heart attacks. The main culprit? Once again, it's artificial sweeteners including aspartame.

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