Eggplant is a low-calorie, fiber-rich nightshade vegetable abundant in polyphenols, particularly nasunin and chlorogenic acid, which support antioxidant defense and metabolic health.
HeartGutBlood SugarInflammationBrainMetabolism
Nutrition per ~85 g · 1–2 eggs
Form
22kcal
Protein0.7 g
Carbs4.6 g
Fat0.1 g
Fiber2.1 g
2.5 g net carbs after fiber.
Vitamins
Pantothenic Acid0.24 mg5%
Folate18.7 mcg5%
Vitamin B671.4 mcg4%
Niacin0.55 mg3%
Thiamin33.1 mcg3%
Vitamin K3.0 mcg2%
Riboflavin31.4 mcg2%
Vitamin C1.9 mg2%
Vitamin E0.26 mg2%
Vitamin A0.85 mcg0%
Minerals & other
Copper51.7 mcg6%
Potassium189 mg4%
Manganese90.5 mcg4%
Magnesium11.5 mg3%
Phosphorus19.3 mg2%
Choline5.9 mg1%
Zinc0.10 mg1%
Calcium9.4 mg1%
Selenium0.26 mcg0%
Sodium0.38 mg0%
Saturated Fat0.029 g—
Monounsaturated Fat0.014 g—
Polyunsaturated Fat0.065 g—
Bioactives estimated
Anthocyanins~170 mg
Chlorogenic acid~34 mg
Inulin / Prebiotic fibre~2.5 g
Polyphenols~128 mg
Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.
What drives the score weighted inputs
Nutrient density30.8/35Vitamins and minerals relative to calories — the single biggest driver.
Protein quality7.7/15How much protein it delivers, by absolute grams and per calorie.
Bioactives13.1/15Polyphenols, flavonoids and other beneficial plant compounds.
Fiber10.0/10Dietary fiber for gut health, satiety and steadier blood sugar.
Healthy fats5.0/10Fat quality — unsaturated against saturated, and trans-fat free.
Glycemic impact10.0/10Low sugar with a high fiber-to-carb ratio scores best.
These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 91.
MethylationAntioxidantATP / MitoBoneThyroidCollagenNeurotransmitterDetoxGlucoseHematopoiesisLipidsGut MicrobiomeMembranesClottingHPA AxisGlycolysisβ-OxidationKetogenesisNAD⁺mTORAMPKUrea CycleDopamineSerotoninSteroidogenesisVitamin D ActivationInsulin Signaling
Overview
Eggplant (Solanum melongena) originated in South Asia and has been cultivated for thousands of years, becoming a staple across Mediterranean, Middle Eastern, and Asian cuisines. Despite its modest micronutrient density, eggplant's primary longevity value lies in its polyphenol content—especially anthocyanins concentrated in the purple skin. The vegetable provides 2.45g of fiber per 100g, supporting gut microbiome diversity and short-chain fatty acid production. Eggplant's low glycemic load (5.4g carbs, mostly fiber) makes it ideal for metabolic health. The skin contains nasunin, a potent anthocyanin with neuroprotective properties documented in animal studies, and chlorogenic acid, which may improve insulin sensitivity. Eggplant also provides modest amounts of potassium (222mg/100g), supporting cardiovascular function. The vegetable's bioavailability of polyphenols increases significantly with cooking, particularly when prepared with minimal oil or in preparations that preserve the skin. For longevity-focused individuals, eggplant serves as a nutrient-dense, fiber-supporting vegetable with emerging evidence for neuroprotection and metabolic optimization.
Health benefits 5
Supports cardiovascular health through polyphenol-mediated vascular function and potassium contributionmoderate
Nasunin and chlorogenic acid reduce endothelial oxidative stress and improve nitric oxide bioavailability; potassium supports healthy blood pressure regulation
Enhances gut microbiome diversity and short-chain fatty acid productionmoderate
Soluble fiber and polyphenols serve as prebiotics, selectively promoting beneficial bacterial growth and butyrate synthesis
Provides neuroprotective effects through anthocyanin-mediated antioxidant defenseemerging
Nasunin crosses the blood-brain barrier and protects neuronal membranes from oxidative stress; may support cognitive aging resistance
Supports metabolic flexibility and glucose homeostasismoderate
Chlorogenic acid improves hepatic glucose handling and reduces postprandial glycemic response; minimal impact on blood glucose itself
Contributes to anti-inflammatory status through polyphenol-induced NF-κB pathway suppressionmoderate
Anthocyanins and chlorogenic acid reduce systemic inflammatory markers (TNF-α, IL-6) associated with age-related disease
Pairs with
Pair with extra virgin olive oil because fat-soluble polyphenols require lipid for optimal absorption and chlorogenic acid bioavailability increases with fat co-consumption
Combine with allium vegetables (garlic, onions) because sulfur compounds and polyphenols synergistically enhance antioxidant and anti-inflammatory signaling
Pair with tomato-based dishes because lycopene and eggplant anthocyanins together provide complementary polyphenol coverage for broader antioxidant protection
Combine with whole grains or legumes because eggplant's fiber and glycemic stability support sustained glucose control when paired with resistant starches
In the kitchen
Retain the skin during cooking—this is where 70% of anthocyanins concentrate; grilling, roasting, or steaming preserves polyphenol content better than boiling
Select firm, glossy eggplants with intact skin; store at room temperature (not refrigerated) to preserve polyphenol integrity for up to 5 days
Prepare with minimal added fat (1-2 tsp oil per serving) as eggplant absorbs excessive oil; roasting at 400°F for 20-25 minutes maximizes polyphenol bioavailability
Consume cooked eggplant rather than raw to enhance polyphenol absorption; cooking breaks down cell walls, improving bioaccessibility by 30-40%
Include eggplant 3-4 times weekly as part of a diverse polyphenol strategy; variety matters more than quantity for optimal microbiome impact
When to eat it anytime
Eggplant has no stimulating compounds and minimal impact on energy or satiety; timing is irrelevant. Consume as part of balanced meals with protein and fat for sustained nutrient absorption.
Breaks a fast
Eggplant's minimal caloric contribution (25 kcal/100g) makes it ideal for volume-based satiety during caloric restriction; pair with protein to maximize meal benefit.