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Eggs

Egg

79/ 100
Also known as: Whole Egg, Eggs; Whole, Eggs, Whole Eggs

Eggs are nutrient-dense whole foods providing complete protein and essential micronutrients including choline, selenium, and lutein, making them a foundational food for healthy aging.

Variants (10)

Nutrition · per ~100 g serving · ≈ 2 eggs

🔥 Calories
154/ 2000 kcal day
🥩Protein10.6 g21% DV
🍞Carbs0.6 g<1% DV
🥑Fat11.7 g15% DV
🌿Fiber0.0 g<1% DV
Vitamins
  • Vitamin B61.3 mg76% DV
  • Choline247.6 mg45% DV
  • Vitamin B120.76 mcg32% DV
  • Riboflavin0.39 mg30% DV
  • Folate39.0 mcg10% DV
  • Vitamin E1.3 mg9% DV
  • Vitamin K4.5 mcg4% DV
  • Vitamin A172.0 iu3% DV
  • Thiamin0.03 mg3% DV
  • Niacin0.06 mg<1% DV
Minerals
  • Selenium25.8 mcg47% DV
  • Phosphorus167.0 mg13% DV
  • Zinc1.1 mg10% DV
  • Iron1.5 mg8% DV
  • Copper0.06 mg7% DV
  • Sodium155.0 mg7% DV
  • Calcium48.0 mg4% DV
  • Magnesium11.0 mg3% DV
  • Potassium117.0 mg2% DV
  • Manganese0.02 mg1% DV
Other
  • Cholesterol313.0 mg
  • Monounsaturated Fat4.8 g
  • Saturated Fat3.3 g
  • Polyunsaturated Fat2.7 g
  • Vitamin D1.7 iu
  • Trans Fat0.71 g
  • Omega30.05 mg
BioactivesEstimated
  • Lutein & Zeaxanthin~6.0 mg
  • Choline~150 mg
  • Glutathione~15 mg
Estimated typical amounts — derived from this food's profile, not measured for this item. Real bioactive content varies widely by variety, ripeness, storage and preparation; use as a rough guide only.
Source: ported-from-sibling:egg__cooked__whole

Score · 79/100

Nutrient Density33.2 / 35

Vitamins & minerals packed in relative to calories — the single biggest driver of the score.

Protein Quality12.8 / 15

How much protein it delivers, by absolute grams and per calorie.

Fiber Content0.0 / 10

Dietary fiber for gut health, satiety and steadier blood sugar.

Healthy Fats6.0 / 10

Fat quality — unsaturated vs saturated, and trans-fat free.

Bioactives7.0 / 15

Polyphenols, flavonoids and other beneficial plant compounds for this food group.

Glycemic Impact10.0 / 10

Low sugar with a high fiber-to-carb ratio scores best — gentler on blood sugar.

Top Nutrients
  • Vitamin B676% DV
  • Selenium47% DV
  • Vitamin B1232% DV
  • Riboflavin30% DV
  • Phosphorus13% DV

Overview

Eggs have been consumed globally for thousands of years and remain one of nature's most complete nutritional packages. A single egg contains all nine essential amino acids in optimal ratios, along with high-quality fat and critical micronutrients often lacking in modern diets. The yolk concentrates choline (293.8 mg per 100g), a nutrient essential for brain health, methylation, and liver function—functions that decline with age. Eggs also provide lutein and zeaxanthin, carotenoids that accumulate in the retina and protect against age-related macular degeneration, one of the leading causes of vision loss in older adults. The selenium content supports thyroid function and antioxidant defense, while the complete amino acid profile makes eggs particularly valuable for preserving muscle mass during aging. Despite historical concerns about dietary cholesterol, recent evidence shows that egg consumption does not significantly raise cardiovascular disease risk in most people and may support HDL cholesterol and reduce inflammation markers. Eggs contain bioavailable forms of nutrients compared to plant sources, with absorption rates enhanced by cooking.

Health Benefits (5)

  • Supports muscle maintenance and strength during aging
    strong
    Complete protein with all 9 essential amino acids plus leucine stimulates mTOR signaling and muscle protein synthesis, critical for preventing age-related sarcopenia
  • Enhances cognitive function and memory
    strong
    Choline is converted to acetylcholine, essential for synaptic plasticity, and supports phosphatidylcholine production for neuronal membrane integrity
  • Protects eye health and reduces macular degeneration risk
    strong
    Lutein and zeaxanthin concentrate in the macula where they filter blue light and reduce oxidative damage; bioavailability is highest from cooked egg yolks
  • Improves lipid profiles and reduces inflammation
    moderate
    Eggs increase HDL cholesterol and contain phospholipids that lower triglycerides; choline supports TMAO metabolism favorably in most individuals
  • Supports antioxidant defense and thyroid function
    moderate
    Selenium serves as cofactor for glutathione peroxidase and thioredoxin reductase enzymes that neutralize reactive oxygen species and regulate thyroid hormone metabolism

Food Pairings

  • ·Pair with spinach or kale because carotenoids from leafy greens have enhanced absorption when consumed with egg fat, and together provide synergistic antioxidant protection
  • ·Pair with tomatoes because lycopene absorption increases significantly in the presence of dietary fat from eggs, enhancing cardiovascular benefits
  • ·Pair with mushrooms because both provide vitamin D and selenium; cooking together increases bioavailability of fat-soluble compounds
  • ·Pair with berries because polyphenols from berries enhance choline-mediated methylation and reduce inflammation when combined with egg protein

Practical Tips

  • ·Cook eggs gently (poached, soft-boiled, or lightly scrambled) to preserve heat-sensitive nutrients like choline, while light cooking improves protein digestibility and lutein bioavailability compared to raw eggs
  • ·Consume the whole egg including the yolk; the yolk contains 90% of micronutrients including choline, lutein, and selenium despite being calorie-concentrated
  • ·Store eggs in the refrigerator in their original carton (not the door) for up to 4-5 weeks; cold storage maintains freshness and nutrient density better than room temperature
  • ·Choose pasture-raised or omega-3 enriched eggs when possible, as they contain higher levels of anti-inflammatory omega-3 fatty acids and fat-soluble vitamins
  • ·For optimal absorption of fat-soluble nutrients, consume eggs with a source of dietary fat such as olive oil, avocado, or nuts

Optimal Timing

🌅
morning
Best with food

Eggs provide sustained satiety and stable blood glucose due to complete protein and fat, supporting cognitive function and reducing mid-morning cravings; breakfast consumption also optimizes amino acid availability for muscle synthesis throughout the day

Eggs can be consumed at any meal, but morning consumption maximizes thermic effect and provides early protein to support muscle protein synthesis; post-workout consumption (within 2 hours) also supports muscle recovery.

Systems supported

body systems this food feeds
BonesBrainCardioEnergyEyesHormonesImmuneJointsKidneyLiverLongevityMuscleReproductiveSkinSleepStressGut

Pathways supported

biochemical reactions enabled by this food
AMPKAntioxidantATP / MitoBoneClottingCollagenDetoxDopamineGlucoseGlycolysisHematopoiesisHPA AxisInsulin SignalingLipidsMembranesMethylationmTORNAD⁺NeurotransmitterSerotoninSteroidogenesisThyroidUrea CycleVascular NOVitamin D Activationβ-OxidationKetogenesis
Common questions

What people ask about egg

What is egg?

Egg is classified as a eggs. Eggs are nutrient-dense whole foods providing complete protein and essential micronutrients including choline, selenium, and lutein, making them a foundational food for healthy aging.

Is egg healthy?

Egg scores 79/100 in Formulate, making it a solid choice. Its strongest contributions come from Vitamin B6, Selenium, Vitamin B12. The score blends nutrient density, fiber, healthy fats, protein quality, bioactive compounds, and glycemic impact.

Is egg high in protein?

Moderately — it contributes meaningful protein. A 100 g serving provides about 10.6 g of protein (~21% of the 50 g daily value).

Is egg high in fiber?

Not really. A 100 g serving provides about 0 g of fiber (~0% of the 28 g daily value).

What vitamins and minerals are in egg?

In a 100 g serving, egg is highest in Vitamin B6 (~76% DV), Selenium (~47% DV), Choline (~45% DV), Vitamin B12 (~32% DV), Riboflavin (~30% DV).

Is egg keto-friendly?

Yes — it fits comfortably in most keto plans. A 100 g serving has about 0.6 g of net carbs (0.6 g total minus 0 g fiber).

When is the best time to eat egg?

Best in the morning. Eggs provide sustained satiety and stable blood glucose due to complete protein and fat, supporting cognitive function and reducing mid-morning cravings; breakfast consumption also optimizes amino acid availability for muscle synthesis throughout the day

How much egg should I eat?

A typical serving is around 100 g (~154 kcal), based on the FDA's Reference Amount Customarily Consumed for this food category. There's no fixed daily target — most adults benefit from rotating egg alongside several other eggs sources.

Is egg an allergen?

Egg falls into the egg group, which is a common allergen. If you have a known allergy or sensitivity in this category, avoid it and consult a clinician before adding it back.

What pairs well with egg?

Egg pairs nicely with: Pair with spinach or kale because carotenoids from leafy greens have enhanced absorption when consumed with egg fat, and together provide synergistic antioxidant protection; Pair with tomatoes because lycopene absorption increases significantly in the presence of dietary fat from eggs, enhancing cardiovascular benefits; Pair with mushrooms because both provide vitamin D and selenium; cooking together increases bioavailability of fat-soluble compounds; Pair with berries because polyphenols from berries enhance choline-mediated methylation and reduce inflammation when combined with egg protein.

Related supplements

Supplements that mirror Egg's nutrient profile

Encyclopedia entries that supply the same signature nutrients egg contributes. Click through to see clinical dose ranges, evidence quality, and bioavailable forms.

Connect the dots

Signature nutrients in Egg

These are the nutrients eggcontributes meaningfully toward (≥10% DV per 100 g serving). Click one to see what it does in the body, which supplements concentrate it, and which other foods are top sources.