Egg

Studies in people

• Concern

  Heart and blood vessel health²

  Eating more eggs was linked to a higher risk of dying from heart and blood vessel problems.

• No harm found

  Heart health³

  Eating up to one egg a day was not linked to heart disease in this study of US adults.

• Open question

  food allergy treatment⁴

  Small studies suggest feeding egg in tiny amounts may help, but we don't know for sure.

• Benefit

  Alzheimer's dementia risk⁵

  In older adults, eating eggs more than once a week was linked to lower Alzheimer's dementia risk.

• Concern

  Heart health and lifespan⁶

  Eating more eggs was linked to higher risk of heart problems and death in US adults.

• Benefit

  Infant food allergy risk⁷

  Feeding egg to babies early, along with updated advice, cut egg allergy cases at age one.

Study type not stated

• Benefit

  Muscle health and appetite⁸

  Egg protein may help keep muscles strong and can make you feel fuller, so you eat less later.

• Open question

  Heart and cholesterol health⁹

  Scientists do not yet know whether eating eggs affects heart health, since the evidence so far is weak.

• Concern

  hidden food triggers¹⁰

  In children, egg allergy is a major cause of food allergy, and hidden egg can be hard to avoid.

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 two findings in people. 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.