Potato

Studies in people

• Concern

  Type 2 diabetes risk⁴

  In Western people, eating more potato was linked to a higher chance of type 2 diabetes.

• Open question

  Blood sugar after eating⁸

  In people, potato phenolics had only a modest effect on blood sugar after eating French fries, home fries or hash browns.

• Concern

  Blood pressure and weight⁹

  Higher potato intake was linked to higher blood pressure and body weight, but other heart risks showed no link.

Animal and lab studies only

• Benefit

  Colon cancer cells¹²

  In lab studies, digested potato protein burgers killed colon cancer cells but left normal gut cells alone.

• Open question

  Antioxidants in snacks¹³

  Colored potato chips kept most of their antioxidants for months, though levels dropped over time.

Found in some samples or products

These come from where it was grown, how it was processed or cooked, or what it was made into. They are not about the ingredient itself, so the signal does not count them.

• Cancer risk in children³

  In children, acrylamide in potato chips was linked to a cancer risk, but adults faced less risk.

Single cases of misuse or overdose

One person or one incident, such as an accidental overdose or a mistake in a kitchen or factory. They are real, but a single case does not show what happens at normal amounts, so the signal does not count them.

• Food allergy breathing trouble⁵

  In one girl, potato caused allergic reactions like breathing problems after eating it or touching it.

How it’s made and used

• Kids eating more vegetables⁶

  In school meals, kids ate more peas and carrots when shaped potato faces were mixed into the same bowl.

• Diet tracking⁷

  Calystegines in potato show up in urine the day after eating it, helping track potato intake.

• Starch quality in potatoes¹⁰

  Potato amylose is highest early in the season and drops steadily as the potato grows.

• Crisp texture and oil¹¹

  Kettle-fried potato crisps had the lowest porosity, which gave them a crunchier taste and less oil.

The signal at the top counts the findings in people and in animal and lab studies. A concern in studies of people outranks animal and lab studies, and “No concerns” needs at least one finding in people. When most findings in people point one way, the page leans that way (“Mostly”), and every finding is still shown. Findings whose study type is not stated are shown but not counted. This page is a reference, not medical advice. It describes what regulators and published research say. Talk to a doctor or dietitian about your own diet.