Eggs and Cholesterol — How Many Eggs Can You Safely Eat? - Calories in One Boiled Egg 2019 - Carbs in Eggs 2019 - 2 Eggs Calories 2019 - Eggs Protein Amount 2019 | AR NUTRATION
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BCAA,Boiled Eggs 2019,Brown Eggs 2019,Chicken Egg Nutration Facts 2019,Egg Calories 2019,Eggs,Health Benefits,Nutration Facts,Protein,Scrambled Eggs 2019,White Eggs 2019,Whole Eggs 2019
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Eggs and Cholesterol — How Many Eggs Can You Safely Eat?
Eggs are among the most nutritious foods on the planet.
In fact, a whole egg contains all the nutrients needed to turn a single cell into an entire chicken.
However, eggs have gotten a bad reputation because the yolks are high in cholesterol.
But cholesterol isn't that simple. The more of it you eat, the less your body produces.
For this reason, eating a few eggs won’t cause a high rise in cholesterol levels.
This article explains this process and discusses how many eggs you can safely eat per day.
How Your Body Regulates Cholesterol Levels
Cholesterol is often viewed as negative.
This is because some studies have linked high levels of cholesterol with heart disease and early death. However, the evidence is mixed (1, 2).
The truth is that cholesterol plays a very important function in your body. It’s a structural molecule that is essential to every cell membrane.
It is also used to make steroid hormones like testosterone, estrogen and cortisol.
Given how important cholesterol is, your body has evolved elaborate ways to ensure that it always has enough available.
Because getting cholesterol from the diet isn't always an option, your liver produces enough to meet your body’s needs.
But when you eat a lot of cholesterol-rich foods, your liver starts producing less to keep cholesterol levels from becoming excessively high (3, 4).
Therefore, the total amount of cholesterol in your body changes only very little, if at all. What changes is its source — your diet or your liver (5, 6).
Nevertheless, you should still avoid eating excessive amounts of cholesterol if your blood levels are raised. A high intake may cause a moderate increase in blood cholesterol levels (7, 8, 9).
SUMMARYYour liver produces large amounts of cholesterol. When you eat cholesterol-rich foods such as eggs, your liver compensates by producing less.
What Happens When People Eat Several Whole Eggs per Day?
For many decades, people have been advised to limit their consumption of eggs — or at least of egg yolks.
A single medium-sized egg contains 186 mg of cholesterol, which is 62% of the recommended daily intake (RDI). In contrast, the white is mostly protein and low in cholesterol (10).
Common recommendations include a maximum of 2–6 yolks per week. However, scientific support for this limitation is lacking (11).
A few studies have examined the effects of eggs on cholesterol levels.
These studies divided people into two groups — one group ate 1–3 whole eggs per day while the other ate something else, such as egg substitutes.
These studies show that:
- In almost all cases, “good” HDL cholesterol goes up (12, 13, 14).
- Total and “bad” LDL cholesterol levels usually remain unchanged but sometimes increase slightly (15, 16, 17, 18).
- Eating omega-3-enriched eggs can lower blood triglycerides, another important risk factor (19, 20).
- Blood levels of carotenoid antioxidants like lutein and zeaxanthin increase significantly (21, 22, 23).
It appears that the response to eating whole eggs depends on the individual.
In 70% of people, eggs had no effect on total or “bad” LDL cholesterol. However, in 30% of people — called hyper-responders — these markers do go up slightly (24).
Although eating a few eggs per day may raise blood cholesterol in some people, they change the “bad” LDL particles from small and dense to large (12, 25).
People who have predominantly large LDL particles have a lower risk of heart disease. So even if eggs cause mild increases in total and LDL cholesterol levels, it’s not a cause for concern (26, 27, 28).
The science is clear that up to 3 whole eggs per day are perfectly safe for healthy people.
SUMMARYEggs consistently raise HDL (the “good”) cholesterol. For 70% of people, there is no increase in total or LDL cholesterol. Some people may experience a mild increase in a benign subtype of LDL.
Eggs and Heart Disease
Multiple studies have examined egg consumption and heart disease risk.
Many of these are observational studies in which large groups of people are followed for many years.
Researchers then use statistical methods to determine whether certain habits — like diet, smoking or exercise — are linked to either a decreased or increased risk of certain diseases.
These studies — some of which include hundreds of thousands of people — consistently show that people who eat whole eggs are no more likely to develop heart disease than those who don’t.
Some of the studies even show a reduced risk of stroke (29, 30, 31).
However, this research suggests that people who have type 2 diabetes and eat a lot of eggs have an increased risk of heart disease (32).
One controlled study in people with type 2 diabetes found that eating two eggs per day, six days a week, for three months did not significantly affect blood lipid levels (33).
Health effects may also depend on the rest of your diet. On a low-carb diet — which is the best diet for people with diabetes — eggs lead to improvements in heart disease risk factors (34, 35).
SUMMARYMany observational studies show that people who eat eggs don't have an increased risk of heart disease, but some studies show an increased risk for people with type 2 diabetes.
Eggs Have Several Other Health Benefits
Let's not forget that eggs are about more than just cholesterol. They're also loaded with nutrients and offer various other impressive benefits:
- They're high in lutein and zeaxanthin, antioxidants that reduce your risk of eye diseases like macular degeneration and cataracts (36, 37).
- They're very high in choline, a nutrient that plays an essential role in all cells (38).
- They're high in quality animal protein, the benefits of which include increased muscle mass and better bone health (39, 40).
- Studies show that eggs increase feelings of fullness and help you lose weight (41, 42).
What’s more, eggs are tasty and incredibly easy to prepare.
The benefits of consuming eggs far outweigh the potential negatives.
SUMMARYEggs are among the most nutritious foods on the planet. They contain important brain nutrients and powerful antioxidants that protect your eyes.
How Much Is Too Much?
Unfortunately, no studies have fed people more than three eggs per day.
It is possible, though unlikely, that eating more than that could negatively impact your health. Consuming more than three is uncharted territory, scientifically speaking.
However, one case study included an 88-year-old man who consumed 25 eggs per day. He had normal cholesterol levels and was in very good health (43).
Of course, the way one individual responds to extreme egg consumption can’t be extrapolated to the whole population, but it's interesting nonetheless.
It's also important to keep in mind that not all eggs are the same. Most eggs at the supermarket come from factory-raised chickens fed grain-based feeds.
The healthiest eggs are omega-3-enriched eggs or eggs from hens that are raised on pasture. These eggs are much higher in omega-3s and important fat-soluble vitamins (44, 45).
Overall, eating eggs is perfectly safe, even if you're eating up to 3 whole eggs per day.
Given their range of nutrients and powerful health benefits, quality eggs may be among the healthiest foods on the planet.
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