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Boiled egg (1 yolk) Calories
High in protein, vitamin B12 and choline
CALORIES
GI
POTASSIUM
FIBER
Boiled egg (1 yolk) Nutrition Facts
Selected: 100 g
317
KCAL / 100G
Carbs
3.6g
· 5%
Protein
15.9g
· 20%
Fat
26.5g
· 75%
Fiber
0g
Boiled egg (1 yolk) Vitamins & Minerals
Vitamins
Biotin
53µg · 177% DV
B12
1.95µg · 81% DV
B5
2.9mg · 58% DV
Vitamin A
381µg · 42% DV
Minerals
Selenium
56µg · 102% DV
Phosphorus
390mg · 56% DV
Zinc
2mg · 18% DV
Iron
3mg · 17% DV
Boiled egg (1 yolk) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Boiled egg (1 yolk) Processed?
NOVA 2
Minimally Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Boiled egg (1 yolk) Contain Allergens?
Contains these allergens:
Which Diets Is Boiled egg (1 yolk) Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Boiled egg (1 yolk) Fat Profile
SATURATED
8.7g
MONOUNSATURATED
10.7g
POLYUNSATURATED
4.7g
Omega 6:3 ratio 7:1
Above the ideal 4:1 (7:1).
Foods Similar to Boiled egg (1 yolk)
Boiled egg (1 yolk) — Frequently Asked Questions
How long does a boiled egg yolk keep in the fridge?
A boiled yolk separated from the egg is best eaten within 1-2 days when stored in an airtight container in the refrigerator. Covering it well helps prevent drying out and absorbing odors.
Can boiled egg yolk be frozen?
You can freeze it, but the texture often turns dry, crumbly, and mealy after thawing. It usually works better fresh or mashed into another dish rather than frozen on its own.
Why does a hard-boiled egg yolk sometimes get a greenish-gray ring?
This usually happens from overcooking and slow cooling. It is not necessarily unsafe, but the yolk may taste drier and less pleasant.
What should boiled egg yolk be eaten with for a more balanced meal?
Because it is relatively fat-forward on its own, pairing it with vegetables, whole grains, or fruit can make the meal feel more balanced. It works well in salads, on whole-grain toast, or alongside potatoes.
Is a whole boiled egg more filling than just the yolk?
For many people, yes, because the whole egg includes the yolk's fat plus the white's extra protein. A yolk alone is rich and satisfying, but usually less filling than the full egg.
Is boiled egg yolk good before a workout?
It can be, but its fat content may digest more slowly for some people. If eaten close to training, it is often better tolerated in a lighter meal and tested against personal comfort.
Is it bad to eat boiled egg yolk at night?
Not inherently; timing matters less than your overall diet and portion size. However, richer foods late at night may feel heavy for some people.
Is boiled egg yolk unhealthy because of cholesterol?
Not for everyone; dietary cholesterol does not affect blood cholesterol the same way in all people. Those with familial hypercholesterolemia, established cardiovascular disease, or specific medical advice should be more cautious.
Can babies eat boiled egg yolk?
It can be introduced during the appropriate complementary feeding stage, following pediatric guidance. If there is a family history of allergy or any reaction, introduce it carefully and watch closely.
Why does boiled egg yolk turn dry and crumbly?
Usually because it was overcooked or sat too long after cooking. Shorter cooking, rapid cooling, and mashing it with a little yogurt, olive oil, or avocado can improve the texture.
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Nutrition data compiled from USDA FoodData Central and scientific sources.