Egg

Bio-Activity Analysis
Protein Quality Score (PDCAAS)
SCIENTIFIC DATA VISUALIZATION
Health Benefits & Sources
Why You Need It
- High-Quality Protein for Muscle & Satiety: Helps build lean muscle and keeps you feeling full longer.
- Brain Health: Rich in Choline, a critical nutrient for memory and mood regulation.
- Eye Protection: Contains Lutein and Zeaxanthin, antioxidants that filter harmful blue light and protect vision.
- Nutrient Absorption: The healthy fats in yolks help your body absorb fat-soluble vitamins (A, D, E, K) from other foods.
Deep Dive
The egg is often called the 'gold standard' for protein quality because its amino acid profile is highly bioavailable, meaning your body can easily use it. But the magic isn't just in the whites; the yolk is a treasure trove of nutrients. It contains Choline, which many people are deficient in, yet it's vital for brain development and neurotransmitter function. Furthermore, eggs are one of the few food sources naturally containing Vitamin D, essential for bone health and immunity. By pairing eggs with vegetables (like spinach or peppers), you significantly increase the absorption of the antioxidants found in those greens.
Natural Food Sources
While eggs are the most concentrated source of these specific nutrients, a balanced diet is key. Since eggs are an animal product, they are unique in their composition. Here is a breakdown of an egg's nutrient density:
| Food | Amount | % Daily Value (Approx) |
|---|---|---|
| Egg (1 Large) | 50g | Varies by nutrient |
| Protein | 6g | 12% |
| Choline | 147mg | 27% |
| Selenium | 15mcg | 27% |
| Vitamin B12 | 0.5mcg | 8% |
Supplementation
Eggs are a food, not a pill, so 'supplementation' means incorporating them into your diet. For most healthy adults, 1 to 2 whole eggs per day is considered safe and beneficial. If you have high cholesterol, consult your doctor, though recent studies show dietary cholesterol in eggs has minimal impact on blood cholesterol for most people.
Top Food Sources
Frequently Asked Questions
Safety & Side Effects
Who should be cautious? Individuals with an egg allergy must avoid them entirely. For those with high cholesterol or heart disease risk, consult a healthcare provider, though the American Heart Association generally supports up to one egg daily for healthy individuals. Always cook eggs thoroughly to reduce the risk of Salmonella bacteria, especially for young children, pregnant women, or immunocompromised individuals.
Scientific References
- [1]American Heart Association: Eggs and Cholesterol
- [2]Nutrients Journal: 'Choline and Brain Development'
- [3]Journal of the American College of Nutrition: 'Protein Quality of Eggs'