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Diet and Nutrition

Artificial Sweeteners: Are They Good or Bad for You?

Health claims about artificial sweeteners often get headlines, but the research is more nuanced.

Lauren Smith, MASanjai Sinha, MD
Written by Lauren Smith, MA | Reviewed by Sanjai Sinha, MD
Updated on December 6, 2025
Reviewed by Sanjai Sinha, MD | December 6, 2025

There have been a lot of studies throughout the last several decades about artificial sweeteners. In particular, many people are concerned about studies that showed a link between artificial sweeteners (like aspartame and saccharin) and cancer in rats and mice. 

In this video, learn what researchers and organizations say about the cancer risk of artificial sweeteners, and whether sugar substitutes are safe and healthy. 

References

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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