Fructose

SweetenersCAS: 57-48-7

This is what the ingredient is.

Fructose is a simple sugar (monosaccharide) naturally found in fruits, honey, and root vegetables. Also produced commercially from corn starch.

Here is why it shows up on the label.

Sweetener used in beverages, baked goods, and processed foods. Sweeter than glucose or sucrose, allowing less to be used for same sweetness.

Here is what food agencies say.

The FDA lists it as Generally Recognized as Safe. Approved globally as nutritive sweetener. Part of normal diet through fruits and vegetables.

Here is what research has found.

Metabolized differently than glucose - processed primarily in liver. High intake associated with metabolic concerns in numerous studies. Research in Journal of Clinical Investigation examines metabolic effects.

Here are a few things worth knowing.

Excessive intake associated with increased triglycerides, fatty liver disease, and insulin resistance. May contribute to obesity and metabolic syndrome. Absorbed without insulin, but high intake stresses liver metabolism. Naturally occurring fructose in whole fruits comes with fiber and nutrients.

Sources

  • FDA Database
  • J Clin Invest 2009
  • American Journal of Clinical Nutrition 2007

How to read this page

We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.

v1.0Updated 9/12/2026