A large egg contains about 185 mg of cholesterol, a figure that often raises cardiovascular concerns for many. However, experts believe that for most people, moderate egg consumption within a healthy diet does not elevate blood cholesterol or heart disease risk, though some cases require caution. Eating eggs daily can affect blood pressure and cholesterol in various ways, depending on individual constitution and overall diet.
Blood pressure remains stable
According to the American Heart Association (AHA), healthy people can eat one to two eggs daily as part of a heart-healthy diet. Eggs are not high in sodium, a key factor in elevated blood pressure. A large egg contains only about 60 mg of sodium, which is quite low compared to the recommended daily intake of under 1,500 mg.
Eating one egg daily does not significantly affect systolic and diastolic blood pressure. The risk of cardiovascular disease is no higher than eating less than one egg per week.
Cholesterol levels may see a slight rise
Not all cholesterol-containing foods have the same impact. Eggs have a much lower saturated fat content than bacon, sausages, or butter—foods that more strongly increase low-density lipoprotein (LDL) cholesterol, often referred to as "bad" cholesterol.
One egg contains about 200 mg of cholesterol, primarily in the yolk. High cholesterol can contribute to atherosclerosis, a factor that exacerbates high blood pressure. However, the impact of eggs is often not significant because they may slightly increase LDL in some individuals while simultaneously raising beneficial high-density lipoprotein (HDL) cholesterol, or "good" cholesterol. This can help stabilize or improve the LDL:HDL ratio to a relatively balanced level. Thanks to the minimal change in the LDL:HDL ratio, the risk of cardiovascular disease does not significantly increase in healthy individuals.
Eggs are also nutritionally rich, providing high-quality protein, vitamin B12, choline, selenium, and vitamin D. Choline, in particular, supports brain and liver function.
Nutrients beneficial for blood pressure
One egg contains many heart-beneficial substances such as potassium (63 mg), which helps balance sodium; magnesium (5 mg), which supports vasodilation; and protein (6 g), which promotes satiety, contributing to weight management.
Most healthy people can eat eggs without significantly affecting blood pressure or cholesterol. However, some groups need caution, such as individuals with cardiovascular disease, elevated LDL, or type 2 diabetes. Some people sensitive to cholesterol may experience a greater-than-normal increase in LDL when consuming eggs.
Heart-healthy egg preparation
The impact on blood pressure and cholesterol often stems from accompanying foods, not the eggs themselves. It is advisable to limit butter, fat, fried foods, processed meats (sausages, bacon), cheese, and rich sauces. Boiling, steaming, or frying eggs with minimal oil, using olive oil, and eating them with potassium-rich vegetables like spinach, mushrooms, or avocado can be healthier. Individuals with elevated cholesterol, high blood pressure, diabetes, or heart disease should consult a doctor to adjust their appropriate egg intake.
Bao Bao (Source: Very Well Health)
