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Nuts & Seeds · Tree Nuts

Pecans

83/ 100
Also known as: pecan halves

Pecans are nutrient-dense tree nuts rich in monounsaturated fats, fiber, and polyphenols that support cardiovascular and metabolic health. They provide substantial amounts of magnesium, manganese, and copper—critical micronutrients for energy metabolism and antioxidant defense.

Nutrition · per ~28 g serving · ≈ a small handful

🔥 Calories
193/ 2000 kcal day
🥩Protein2.6 g5% DV
🍞Carbs3.9 g1% DV
🥑Fat20.2 g26% DV
🌿Fiber2.7 g10% DV
1g net carbs · carbs − fiber
Vitamins
  • Thiamin0.18 mg15% DV
Minerals
  • Manganese1.3 mg55% DV
  • Copper0.34 mg37% DV
  • Zinc1.3 mg11% DV
  • Magnesium33.9 mg8% DV
  • Phosphorus77.6 mg6% DV
BioactivesEstimated
  • Ellagitannins~14 mg
  • Polyphenols~42 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: USDA · 170182

Score · 83/100

Nutrient Density28.4 / 35

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

Protein Quality8.5 / 15

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

Fiber Content9.8 / 10

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

Healthy Fats7.5 / 10

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

Bioactives12.5 / 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
  • Manganese196% DV
  • Copper133% DV
  • Thiamin55% DV
  • Zinc41% DV
  • Magnesium29% DV

Overview

Pecans are the fruit of Carya illinoinensis, native to North America and traditionally cultivated in the Southern United States. Their nutritional profile is dominated by heart-healthy monounsaturated and polyunsaturated fats, which comprise approximately 88% of total fat content. Notably, pecans contain ellagic acid and other polyphenolic compounds that concentrate in the skin, making them valuable sources of plant-based antioxidants. The combination of high fiber (9.6g per 100g), mineral density, and bioactive phytochemicals positions pecans as a longevity-supporting food. Their manganese content supports bone health and metabolic enzyme function, while copper facilitates collagen synthesis and immune function. Research indicates that regular pecan consumption correlates with improved lipid profiles, reduced inflammation markers, and better glycemic control. The whole-food matrix of pecans—fats, fiber, and polyphenols working synergistically—makes them more cardioprotective than isolated fat supplements. For aging populations, pecans offer caloric efficiency and satiety value, supporting healthy weight maintenance while delivering concentrated micronutrition with minimal processing.

Health Benefits (5)

  • Improved cardiovascular health and lipid profiles
    strong
    Monounsaturated and polyunsaturated fats reduce LDL cholesterol oxidation; polyphenols improve endothelial function and reduce atherosclerosis markers
  • Enhanced antioxidant defense and reduced systemic inflammation
    moderate
    Ellagic acid, gallic acid, and other phenolic compounds neutralize free radicals and inhibit pro-inflammatory cytokine production
  • Improved insulin sensitivity and blood sugar control
    moderate
    High fiber content slows glucose absorption; polyphenols enhance insulin signaling and reduce postprandial glucose spikes
  • Bone health and skeletal integrity
    moderate
    Manganese activates osteoblasts and osteoclasts for bone remodeling; copper facilitates collagen crosslinking essential for bone matrix
  • Cognitive function and neuroprotection
    emerging
    Polyphenol metabolites cross the blood-brain barrier; antioxidants reduce neuroinflammation and support mitochondrial function in neurons

Food Pairings

  • ·Pair with blueberries because both are rich in polyphenols and together amplify antioxidant bioavailability and neuroprotective effects
  • ·Combine with olive oil in salad dressings because the fat-soluble polyphenols in pecans enhance absorption of olive oil's hydroxytyrosol compounds
  • ·Pair with apple slices because apple fiber (pectin) synergizes with pecan polyphenols to strengthen gut microbiota diversity and SCFA production
  • ·Combine with dark chocolate (70%+ cacao) because both contain flavonoids that work synergistically to improve endothelial function and blood flow

Practical Tips

  • ·Store pecans in an airtight container in the refrigerator or freezer to prevent rancidity of their polyunsaturated fats; they maintain quality for 3-6 months when refrigerated
  • ·Choose raw or dry-roasted pecans over oil-roasted or salted varieties to avoid added sodium and oxidized oils; raw pecans retain maximum polyphenol content
  • ·Consume pecans with the skin intact—the papery brown skin contains concentrated ellagic acid; blanched or skinless pecans lose significant antioxidant potency
  • ·Portion control: aim for 1 ounce (approximately 23 pecans) daily as part of a balanced diet; this provides ~160 kcal while avoiding caloric excess

Optimal Timing

🕒
anytime
Best with food

Pecans provide sustained satiety and stable energy through their fat and fiber content, making them suitable for any meal period. Morning consumption supports breakfast satiety; midday snacking prevents energy crashes; evening consumption (2-3 hours before bed) provides minerals supporting sleep quality.

While pecans are technically compatible with early-stage intermittent fasting due to minimal insulin response, their caloric density (691 kcal/100g) may break some strict fasting protocols. Consider timing based on individual fasting window parameters.

Systems supported

body systems this food feeds

Pathways supported

biochemical reactions enabled by this food