Swapping Out Ultra-Processed Food Lowers Diabetes Risk

Researchers analyzed what's actually in ultra-processed food and then tested what happens when you stop eating it. The chemicals went down. Diabetes risk markers improved.

What the Study Found

A 2026 study in the Journal of Nutrition did something most studies don't: they chemically analyzed controlled diets that were either high in ultra-processed food or completely free of it. The ultra-processed diets contained measurably higher levels of harmful chemicals.

Then they tested midlife adults on both diets. The proof-of-concept findings showed that reducing ultra-processed food consumption may lower diabetes risk. It's not just about calories or sugar. It's about the chemical contaminants that come with processing.

What's in Ultra-Processed Food

Ultra-processed food is the stuff that comes in packages with ingredient lists you can't pronounce: frozen meals, snack cakes, flavored chips, instant noodles, sweetened cereals. It contains emulsifiers, preservatives, artificial flavors, colors, and plasticizers that leach from packaging.

What You Can Do

Cook from whole ingredients when you can. Swap packaged snacks for fruit, nuts, and homemade options. Read ingredient lists. If it has more than five ingredients or contains words you can't pronounce, put it back.

Check out our non-toxic kitchen alternatives for cleaner cooking and storage.

Also see glass food containers for safer alternatives.

Source: Chemical Analysis of Controlled Diets Study (2026). J Nutr.