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Pepsi Removing Aspartame

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Pepsi has announced that it will remove aspartame from its formulation of diet Pepsi products in the US this year. Apparently this is a reaction to a 5% drop in the sales of Pepsi. Seth Kaufman, vice-president of Pepsi, said “Aspartame is the number one reason consumers are dropping diet soda.”

This move comes in the same week that Chipotle announced it is removing GMO food from its food chain. Unlike Pepsi, who cited only public opinion, Chipotle went one step further and directly cited pseudoscientific fears of GMOs as their justification. (But that’s another story.)

Like GMOs, aspartame has been widely studied and found to be safe, but remains the target of fear-mongering and conspiracy theories. It is not clear why this one food additive has continued to be the target of a fake controversy, other than that fears and conspiracies can take on a life of their own. The best example of anti-aspartame conspiracy theories comes from Janet Starr Hull, who wrote:

I will never accept the news of aspartame safety. I think it is a “business” decision to discredit/discount the research results that aspartame DOES cause cancer, major nerve disorders, birth defects, and brain imbalances. Think about it – can you imagine the chaos that will occur when the truth of aspartame dangers is accredited. The FDA has known about the dangers, the corporations have known about the dangers, and the medical community (if it is really worth anything) has known about the dangers.

That is a common claim of conspiracy theorists – the truth is being suppressed out of fears that it will bring chaos if revealed. I think our society will survive Pepsi moving over to a different sweetener. (more…)

Posted in: Nutrition, Public Health, Science and Medicine

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Artificial Sweeteners: Is Aspartame Safe?

Note: This was originally published as a “SkepDoc” column in Skeptic magazine under the title “Aspartame: Safe Sweetener or Perilous Poison?” and is reprinted here with the kind permission of Michael Shermer. There are other artificial sweeteners not specifically addressed here, but as far as I know there are no convincing health concerns about any of them, just this same kind of hype and fearmongering based on animal studies and speculation with no validation from human clinical studies.


Aspartame is a low calorie sugar substitute marketed under brand names like Equal and Nutrasweet. It is a combination of two amino acids: L-aspartic acid and L-phenylalanine. It is available as individual packets for adding to foods and it is a component of many diet soft drinks and other reduced-calorie foods. Depending on who you listen to, it is either a safe aid to weight loss and diabetes control or it is evil incarnate, a deadly poison that is devastating the health of consumers.

A reader sent me an ad from his local newspaper that recommended using stevia instead of aspartame and made these startling claims about aspartame:

  1. It is derived from the excrement of genetically modified E. coli bacteria
  2. Upon ingestion, it breaks down into aspartic acid, phenylalanine, methanol, formaldehyde, and formic acid.
  3. It accounts for over 75% of the adverse reactions to food additives reported to the FDA each year including seizures, migraines, dizzinesss, nausea, muscle spasms, weight gain, depression, fatigue, irritability, heart palpitations, breathing difficulties, anxiety, tinnitus, schizophrenia and death.

Let’s look at those claims one by one.
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Posted in: Herbs & Supplements, Nutrition

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Aspartame – Truth vs Fiction

If you believe everything you read on the internet, then is seems that a chemical found in thousands of products is causing an epidemic of severe neurological and systemic diseases, like multiple sclerosis and lupus. The FDA, the companies that make the product, and the “medical industrial complex” all know about the dangers of this chemical but are hiding the truth from the public in order to protect corporate profits and avoid the pesky paper work that would accompany the truth being revealed. The only glimmer of hope is a dedicated band of bloggers and anonymous e-mail chain letter authors who aren’t afraid to speak the truth. Armed with the latest anecdotal evidence, unverified speculation, and scientifically implausible claims, they have been tirelessly ranting about the evils of this chemical for years. Undeterred by the countless published studies manufactured by the food cartel that show this chemical is safe, they continue to protect the public by spreading baseless fear and hysteria.

Hopefully, you don’t believe everything you read on the internet, and you don’t get your science news from e-mail SPAM, where the above scenario is a common theme. While there are many manifestations of this type of urban legend, I am speaking specifically about aspartame – an artificial sweetener used since the early 1980s. The notion that aspartame is unsafe has been circulating almost since it first appeared, and like rumors and misinformation have a tendency to do, fears surrounding aspartame have taken on a life of their own.

I am frequently asked my opinion about the safety of aspartame. Nutritionists often council to avoid the sweetener, citing unverified claims that it is unsafe. I was recently sent a chain letter warning that aspartame causes MS (which of course can be cured by simply avoiding aspartame), and Snopes informs me that this particular letter first appeared in 1998.

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Posted in: Public Health

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