Yolk is the yellow part of an egg found inside the shell. It is surrounded by the egg white (albumen) and is the most nutrient-rich part of the egg.
It comes from the egg of a Chicken, which is the most commonly consumed egg worldwide.
🥚 What the yolk contains
- Healthy fats
- Protein
- Vitamins A, D, E, and B12
- Minerals like iron and selenium
- Choline (important for brain health)
🧠 Functions of the yolk
- Provides nutrition for the developing embryo (in fertilized eggs)
- Supplies energy and nutrients in human diets
- Gives eggs their color and rich taste
🍳 Yolk vs egg white
| Part | Main content | Role |
|---|---|---|
| Yolk 🟡 | Fat, vitamins, minerals | Nutrient-rich, energy |
| Egg white ⚪ | Mostly protein + water | Muscle building, low calorie |
❤️ Health note
- Yolk contains cholesterol, but for most people it is safe in moderation
- It is very nutrient-dense and often considered the healthiest part of the egg
✔️ Bottom line
The yolk is the nutrient-rich center of an egg, packed with vitamins, healthy fats, and essential nutrients for energy and brain health.
If you want, I can explain how many eggs per day are safe or compare boiled egg vs fried egg nutrition 👍
