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Yoplait is misleading everyone about aspartame

children eating yoghurtAdvertising for Yoplait Light, which claims that its yogurts contain "no aspartame", may in one sense be truthful, but is certainly misleading. As the makers of Yoplait Light know, aspartame is broken down in the digestive system to very small amounts of common dietary components. As is a fruit yogurt:

  • According to the USDA, a 6 ounce serving of low fat fruit yogurt with any low calorie sweetener contains 451 milligrams of phenylalanine, an essential amino acid, and 655 milligrams of aspartic acid, a non-essential amino acid. There will also be a tiny amount of methanol from the fruit.
  • The aspartame in Yoplait Light will break down to about 75 milligrams of phenylalanine and about 60 milligrams of aspartic acid. There will also be a tiny amount of methanol, just the same as from fruit.

Aspartame is a popular and widely used sweetener because it tastes just like sugar but doesn't add calories. At a time when there is so much policy focus on reducing overweight and obesity, advertising by Yoplait which attempts to stigmatize aspartame cannot be in the public interest.


Here you can find the answers to any questions that you might have about how foods and drinks with aspartame can be a healthy part of your diet. In addition, a search facility enables you to look up any particular topic, wherever it appears on the site.

Questions & Answers


The excellent taste of aspartame was discovered in 1965 by James Schlatter, a researcher who was at that time working at G. D. Searle, a pharmaceutical company. Jim was working with amino acids, looking for a new treatment for ulcers, when he first noticed a remarkable sweetness. More

Scientific Library

Aspartame is probably the most thoroughly researched food ingredient that there is. The benefits and the safety of aspartame are supported by a huge body of scientific evidence. You can read summaries of some of the key scientific research studies in our library.

Opinions about Aspartame

Health authorities, governments and medical organizations all over the world support the use of aspartame in foods and drinks. You can read the statements of many of these independent authorities that have evaluated the scientific information about aspartame here.


Foods and drinks sweetened with aspartame can help you to maintain a healthy body weight when used as part of a lifestyle that includes sensible diet and regular exercise. Here are links to other sites that provide more information.

Aspartame opinions, rumors and news

how the body breaks down aspartame

calorie counter

aspartame brochure

aspartame resource center

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