How Many Eggs a Day Is Safe? Cholesterol, Heart Health, Muscle, and Desi vs Farm Eggs
Eggs are the cheapest complete protein in Pakistan, and half the country has been told to throw away the yolk. Here is what the biggest studies actually found about eggs and heart disease, how many make sense for you, whole eggs versus whites for muscle, and the desi-anda myths.
By Taha Raza
Published
An egg is the cheapest high-quality protein most Pakistani households can buy, and it takes five minutes to cook. Yet many people have been told — by a relative, a gym friend or an old leaflet — that the yolk is 'pure cholesterol' and more than a couple of eggs a week will block their arteries. The science has moved a long way since that advice was written. Here is where it stands.
What is in one egg
| Part | kcal | Protein | Fat | Cholesterol | Also gives |
|---|---|---|---|---|---|
| Whole egg | 72 | 6.3 g | 4.8 g | 186 mg | Vitamin D, B12, choline, selenium, lutein |
| Yolk | 55 | 2.7 g | 4.5 g | 184 mg | Nearly all the vitamins, minerals and choline |
| White | 17 | 3.6 g | 0 g | 0 mg | Protein and little else |
Two things stand out. The yolk carries more than 40 percent of the egg's protein, so 'whites only' throws away a large share of it along with nearly all the vitamins. And the white is almost pure protein, which is why lifters add extra whites when they want protein without extra fat.
Eggs and cholesterol: what the big studies found
For most people, cholesterol eaten in food raises blood LDL cholesterol only modestly; saturated fat and trans fat have a bigger effect. A minority of people respond more strongly, which is why individual advice from a doctor matters when your cholesterol is high.
The 2020 BMJ study by Drouin-Chartier and colleagues followed more than 215,000 American health professionals for up to 32 years. Eating one egg or more a day was not linked to higher heart disease risk than eating less than one a month. An updated meta-analysis in the same paper, pooling cohorts from around the world, found up to one egg a day was not associated with cardiovascular disease — and in the Asian cohorts, egg eaters had slightly lower risk.
The PURE study, published in 2020 in the American Journal of Clinical Nutrition, is especially relevant because it included Pakistan. Across 146,000 people in 21 countries, plus 31,000 patients who already had vascular disease, eating seven or more eggs a week was not significantly associated with blood lipids, deaths or major cardiovascular events compared with eating less than one.
The honest counterpoint is a 2019 JAMA study of 29,615 Americans, which found each extra half egg a day linked to a 6 percent higher risk of cardiovascular disease and 8 percent higher risk of death. Like all such studies it is observational — egg eaters in America often eat them with bacon, butter and white toast — but it is a reason not to treat eggs as unlimited. The consistent finding across all of this research is that about an egg a day is fine.
The American Heart Association's 2020 science advisory translated this into practical advice: healthy people can include up to one whole egg a day in a heart-healthy diet, vegetarians who do not eat other animal foods may include more, and older adults with normal cholesterol can eat up to two a day, given how useful and easy to eat eggs are.
How many eggs are right for you
| Who | Whole eggs a day | Notes |
|---|---|---|
| Healthy adult, normal cholesterol | 1–2 | Count the cooking fat; more is likely fine within a good diet |
| Lifter building muscle, healthy | 2–4, plus extra whites for more protein | Check your blood lipids once a year |
| Older adult with normal cholesterol | Up to 2 | American Heart Association advice; eggs are easy protein when appetite is low |
| High LDL cholesterol or on a statin | About 1, or 4–7 a week | Follow your doctor; cut ghee, fried food and trans fats first |
| Familial hypercholesterolaemia | As your specialist advises | Genetic high cholesterol — dietary cholesterol matters more |
| Type 2 diabetes | Usually up to 1 a day | Evidence is mixed; ask your doctor. The DIABEGG trial is below |
On diabetes: some cohort studies link higher egg intake to more heart disease in people with diabetes, so caution is reasonable. But in the 2015 DIABEGG trial, 140 people with prediabetes or type 2 diabetes who ate 12 eggs a week for three months had no worse cholesterol than those eating fewer than two. One a day, boiled rather than fried in ghee, is a reasonable default to discuss with your doctor.
Whole eggs or egg whites for muscle?
A 2017 study in the American Journal of Clinical Nutrition gave young men 18 g of protein after a resistance workout, either as three whole eggs or as the same protein from egg whites. Muscle protein synthesis was about 40 percent higher after the whole eggs. The yolk seems to add something beyond its protein. Unless your doctor has told you to limit yolks, eat whole eggs and add whites if you want more protein.
Cook them. A 1998 study in the Journal of Nutrition measured how much egg protein people actually digest: about 91 percent from cooked eggs and about 51 percent from raw. Raw eggs also carry a salmonella risk. The film-scene of a boxer downing raw eggs is the worst way to eat them.
The real problem is what the egg is cooked in
| How | kcal | Protein |
|---|---|---|
| 2 boiled or poached eggs | 155 | 12 g |
| 2 half-fry eggs in 1 tsp oil | 185 | 13 g |
| 2-egg omelette in oil | 220 | 13 g |
| Anda curry (2 eggs in salan) | 320 | 15 g |
| Anda paratha from a stall (1 paratha + 1-egg omelette) | 430 | 12 g |
| 4 egg whites | 68 | 14 g |
Two boiled eggs and an anda paratha are nearly three times apart in calories and the paratha has less protein. If you are watching your weight or your cholesterol, the change that matters is boiled or lightly cooked eggs with roti or bread, not fewer eggs.
Desi eggs versus farm eggs: the myths
| Claim | Reality |
|---|---|
| Desi anda is far more nutritious | Protein and cholesterol per gram are almost the same. Desi eggs are usually smaller, so you get a little less per egg. Hens that roam and eat greens can have somewhat more omega-3 and vitamin D, depending on their diet. |
| Brown shells are healthier | Shell colour depends on the hen's breed. It says nothing about nutrition. |
| A darker yolk means more nutrition | Yolk colour mostly reflects pigments in the feed. It is not a reliable sign of quality. |
| Farm eggs are full of hormones | Growth hormones are not how laying hens are managed. The real safety issue with any egg is salmonella, which proper cooking deals with. |
| Raw eggs build more muscle | The opposite: raw egg protein is only about half digested, and raw eggs can carry salmonella. |
| Eggs are 'garam' — avoid them in summer | There is no evidence eggs raise body temperature or cause harm in hot weather. Eat them year-round. |
Storing and cooking eggs safely
- Buy eggs with clean, uncracked shells and keep them in the fridge once home; eggs are often sold unrefrigerated in Pakistan, so use them within two to three weeks.
- Do not wash eggs until just before cooking — washing can carry bacteria through the shell.
- Cook until the yolk is firm for children, pregnant women, older adults and anyone unwell.
- Throw away cracked or strange-smelling eggs rather than cooking them longer.
This article is general information, not medical advice. If you have high cholesterol, heart disease, diabetes or familial hypercholesterolaemia, follow the advice of your doctor on eggs and dietary fat, and have your lipids checked regularly.
Frequently Asked Questions
Is it safe to eat eggs every day?
For most healthy adults, yes. The 2020 BMJ study of more than 215,000 people and the PURE study across 50 countries, including Pakistan, found no link between about an egg a day and heart disease. The American Heart Association says healthy people can eat up to one whole egg a day and older adults with normal cholesterol up to two.
How many eggs a day for muscle gain?
Healthy lifters commonly eat two to four whole eggs a day and add extra whites for more protein without extra fat. Whole eggs stimulated about 40 percent more muscle protein synthesis after training than the same protein from whites in a 2017 study. Get your cholesterol checked yearly if you eat several a day.
Do eggs raise cholesterol?
Modestly in most people. Food cholesterol affects blood LDL less than saturated and trans fats do, although some people respond more strongly. In large studies, about an egg a day was not linked to heart disease. How you cook them matters: eggs fried in ghee or eaten with paratha add the saturated fat that does raise LDL.
Should I eat only egg whites?
Usually no. The yolk has more than 40 percent of the egg's protein and nearly all its vitamins and choline, and whole eggs built more muscle after training than whites in a direct comparison. Whites are useful for adding protein cheaply, or if your doctor has told you to limit yolks.
Are desi eggs better than farm eggs?
Not in any way that matters much. Protein and cholesterol per gram are almost identical; desi eggs are usually smaller, and free-roaming hens can have somewhat more omega-3 and vitamin D depending on their diet. Shell colour and yolk colour are not reliable signs of nutrition.
Can people with diabetes eat eggs?
Usually yes, in moderation — about one a day is a common guide. The evidence in diabetes is mixed, but in the DIABEGG trial people with type 2 diabetes eating 12 eggs a week for three months had no worse cholesterol. Boil them rather than frying, and follow your doctor's advice.
Sources
- Drouin-Chartier JP et al. Egg consumption and risk of cardiovascular disease: three large prospective US cohort studies, systematic review, and updated meta-analysis. BMJ, 2020
- Dehghan M et al. Association of egg intake with blood lipids, cardiovascular disease, and mortality in 177,000 people in 50 countries. American Journal of Clinical Nutrition, 2020
- Zhong VW et al. Associations of dietary cholesterol or egg consumption with incident cardiovascular disease and mortality. JAMA, 2019
- Carson JAS et al. Dietary cholesterol and cardiovascular risk: a science advisory from the American Heart Association. Circulation, 2020
- Fuller NR et al. The effect of a high-egg diet on cardiovascular risk factors in people with type 2 diabetes: the DIABEGG study. American Journal of Clinical Nutrition, 2015
- van Vliet S et al. Consumption of whole eggs promotes greater stimulation of postexercise muscle protein synthesis than consumption of isonitrogenous amounts of egg whites in young men. American Journal of Clinical Nutrition, 2017
- Evenepoel P et al. Digestibility of cooked and raw egg protein in humans as assessed by stable isotope techniques. Journal of Nutrition, 1998
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