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The Daily Insight

Why is aspartame bad

Author

Andrew Walker

Updated on April 23, 2026

Dozens of studies have linked aspartame — the world’s most widely used artificial sweetener — to serious health problems, including cancer, cardiovascular disease, Alzheimer’s disease, seizures, stroke and dementia, as well as negative effects such as intestinal dysbiosis, mood disorders, headaches and migraines.

Why is aspartame bad for your health?

Authors of a 2017 review concluded that aspartame may affect the immune system and, as a result, it may lead to oxidative stress and inflammation. Their findings suggested that aspartame could affect the cells of various body organs, including the brain, the heart, the liver, and the kidneys.

Why is aspartame banned in America?

In 1980 the FDA banned aspartame from use after having 3 independent scientist study the artificial sweetener. … Because they found that aspartame came with a high danger of inducing brain tumors.

Is aspartame actually bad for you?

The US Food and Drug Administration (FDA) has concluded that “the use of aspartame as a general purpose sweetener… is safe.” The European Food Safety Authority (EFSA) has stated, “Studies do not suggest an increased risk associated with aspartame consumption for…

Is aspartame worse than sugar?

Aspartame contains 4 calories per gram (g), which is a similar amount to sugar, but aspartame is around 200 times sweeter than sugar. This means that only a tiny amount of aspartame is necessary to sweeten foods and drinks. For this reason, people often use it in weight loss diets.

Is aspartame a carcinogen?

Aspartame is considered safe and has been approved for use by the FDA in the amounts people normally eat or drink it. Aspartame isn’t included in the lists of known or likely carcinogens by the federal or international agencies who compile them.

Is aspartame banned in Europe?

Food standards agencies rule out aspartame bans as scientists warn of ‘adverse effect’ on consumers. … In 2013, the European Food Safety Authority (EFSA) published an assessment of the risks of aspartame, more commonly known as Nutrasweet, and cleared it for consumption within the EU.

Is aspartame bad for brain?

Aspartame acts as a chemical stressor by elevating plasma cortisol levels and causing the production of excess free radicals. High cortisol levels and excess free radicals may increase the brains vulnerability to oxidative stress which may have adverse effects on neurobehavioral health.

Is aspartame bad for weight loss?

A new study from Massachusetts General Hospital says aspartame—one of the most common artificial sweeteners, often used in diet soda—may not help you lose weight. In fact, it looks to do just the opposite. When aspartame is digested, it produces a compound called phenylalanine.

What are the top 10 dangers of artificial sweeteners?
  • 03/11It’s not safe. …
  • 04/11Lowers metabolism. …
  • 05/11Can cause diseases. …
  • 06/11Artificial sweeteners are ‘neurotoxic’ …
  • 07/11Adverse effect on Prenatal development. …
  • 08/11Lead to weight gain. …
  • 09/11Risky for children. …
  • 10/11Affects insulin hormone.
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Is aspartame banned in UK?

Sweeteners approved for use in the UK include: acesulfame K. aspartame.

Is aspartame made from poop?

The simple answer is artificial sweetener, but a patenthas confirmed what the commonly used sugar substitute aspartame is really made of: the feces of genetically modified E. coli bacteria. … The proteins are then collected and treated in a process called methylation to produce the sweetener.

What are the benefits of aspartame?

  • Tastes Sweet and Clean. …
  • Enhances and Extends Flavors. …
  • Does Not Promote Tooth Decay. …
  • Helpful for Individuals with Diabetes. …
  • Is Beneficial in Weight Control.

Is aspartame bad for your kidneys?

Aspartame, either used alone or in combination with other low-calorie sweeteners, is the most common low-calorie sweetener found in diet sodas today. Aspartame never reaches the kidneys or other body organ.

Is stevia better than aspartame?

See, aspartame tastes better than stevia, doesn’t have significant aftertastes, and can greatly enhance your food’s flavor. On the other hand, stevia is believed to have more potential health benefits and is in some ways considered a safer sugar substitute.

What is the healthiest sugar substitute?

Stevia — in packet, drops or plant form — is a dietitian favorite. Not only does it contain zero calories, but stevia-based sweeteners are herbal as opposed to artificial. Stevia blended with a sugar alcohol called erythritol (Truvia®) works well in low-carb baked desserts, too.

What is the safest artificial sweetener to use?

The best and safest artificial sweeteners are erythritol, xylitol, stevia leaf extracts, neotame, and monk fruit extract—with some caveats: Erythritol: Large amounts (more than about 40 or 50 grams or 10 or 12 teaspoons) of this sugar alcohol sometimes cause nausea, but smaller amounts are fine.

Why was Stevia banned?

Though widely available throughout the world, in 1991 stevia was banned in the U.S. due to early studies that suggested the sweetener may cause cancer. … Stevia powder can also be used for cooking and baking (in markedly decreased amounts compared to table sugar due to its high sweetness potency).

What does the FDA say about aspartame?

High levels of this amino acid in body fluids can cause brain damage. Therefore, FDA has ruled that all products containing aspartame must include a warning to phenylketonurics that the sweetener contains phenylalanine. Learn More: Artificial Sweeteners and Cancer (NIH/NCI)

Does aspartame cause dementia?

Aspartame is known to overstimulate the neurotransmitters, or chemical messengers, in the brain. Excessive amounts can damage neurons and cause cell death, which are associated with memory issues and dementia.

Is aspartame bad for you NIH?

Aspartame is suspected of causing neurological and behavioral disorders in humans. It causes neuropsychiatric reactions such as headache, convulsions and depression [83]. In the body, aspartame is transformed into phenylalanine (Phy), aspartic acid and methanol.

What's worse sucralose or aspartame?

Sucralose is almost certainly safer than aspartame,” says Michael F. … Diet Coke still uses aspartame, but a July 2013 study in the journal Food and Chemical Toxicology found that aspartame does not cause health problems like cancer and cardiovascular disease.

Does aspartame increase belly fat?

A 2016 study in the International Journal of Obesity reported finding seven tentatively replicated factors showing significant associations with abdominal obesity in women, including aspartame intake.

Can you gain weight with aspartame?

Some research indicates that even acceptable daily intakes of aspartame, as regulated by the United States Food and Drug Administration (FDA), might make you hungrier and lead to weight gain.

Do artificial sweeteners cause belly fat?

Consuming artificial sweeteners does not appear to cause weight gain — at least not in the short term. In fact, replacing sugar with artificial sweeteners may be helpful in reducing body weight — though only slightly at best.

What are the symptoms of too much aspartame?

Breathlessness, elevated blood pressure and skipped or racing heartbeat are all symptoms of aspartame toxicity. Gastrointestinal Symptoms. People often experience an upset stomach, diarrhea (possibly bloody), abdominal pain and painful swallowing when using aspartame as a sweetener.

Can aspartame cause Alzheimer's?

Aspartame’s role in memory loss is a health concern that has been associated with artificial sweeteners. Several studies have been conducted on aspartame’s effect on cognitive function in both animals and humans. These studies found no scientific evidence of a link between aspartame and memory loss.

Is aspartame bad for your liver?

Aspartame may act as a chemical stressor to alter the functional status of liver which leading to the hepatotoxicity. Long-term aspartame consumption may alter redox status of liver and its metabolite methanol could induce hepatotoxicity via apoptosis.

Why you shouldn't use artificial sweeteners?

Research in mice and in humans shows that artificial sweeteners—namely, saccharin, sucralose, and aspartame—significantly affect gut bacteria in the digestive tract and can lead to glucose intolerance, which puts people at risk for type 2 diabetes. 6. They can cause stomach problems.

What happens when you stop eating artificial sugar?

Aspartame can affect your energy levels. And quitting may leave you feeling fatigued — even lethargic. Consuming aspartame can cause many people to have increased energy levels (even though those increases can lead to crashes), so it stands to reason that aspartame withdrawal can cause fatigue.

What is the side effects of artificial sweeteners?

The side effects of artificial sweeteners include: headache, depression, increased risk of cancer, and weight gain due to increased appetite, as well as the two issues below (impact on gut health and increased diabetes risk).