Pistachio Nut

Nutrition per ~28 g · a small handful

4.6 g net carbs after fiber.

Vitamins

Minerals & other

Bioactives estimated

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

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 85.

What it feeds primary sources only

Systems

Pathways

Overview

Native to Central Asia and the Middle East, pistachios have been cultivated for thousands of years and are now recognized as a functional food for longevity. Unlike many nuts, pistachios are relatively low in calories and high in protein (about 20% by weight), making them exceptional for muscle maintenance in aging adults. Their bright green color indicates high concentrations of lutein and zeaxanthin—carotenoids critical for eye health—along with powerful polyphenol antioxidants including anthocyanins and flavonoids. Pistachios contain unique compounds like proanthocyanidins that reduce oxidative stress and inflammation, both hallmarks of aging. The combination of monounsaturated fats, fiber, and plant sterols supports cholesterol management and cardiovascular health. Their arginine content promotes endothelial function and healthy blood pressure. The distinctive red skin contains most polyphenols, making in-shell pistachios nutritionally superior to blanched varieties. Emerging research suggests pistachio consumption may improve gut microbiome composition, supporting metabolic health and immune function—key factors in healthy aging.

Health benefits 5

Pairs with

• Pair with berries (blueberries, pomegranate) because both contain complementary polyphenol families that synergistically enhance antioxidant and anti-inflammatory effects
• Pair with leafy greens (spinach, kale) because fat-soluble lutein and zeaxanthin absorption increases significantly with dietary fat from nuts
• Pair with whole grains (oats, farro) because combined fiber and protein create sustained satiety and stable blood glucose, amplifying metabolic benefits
• Pair with olive oil because both provide monounsaturated fats and polyphenols that work synergistically to improve endothelial function and reduce cardiovascular inflammation

In the kitchen

• Choose in-shell pistachios over shelled varieties—the red skin contains 30% more polyphenols than the kernel alone, maximizing antioxidant intake
• Store in cool, dry conditions or refrigerate opened packages; pistachios' unsaturated fats are vulnerable to oxidation, which diminishes their bioactive compounds
• Select unsalted varieties to avoid excess sodium intake; if salted, rinse briefly under cool water to reduce sodium while retaining nutrients
• Consume 1 ounce (28g or ~23 kernels) daily as an optimal portion for cardiovascular and metabolic benefits without excessive calorie density
• Soak or lightly roast pistachios to slightly reduce phytic acid, which can modestly enhance mineral bioavailability, particularly for magnesium and zinc

When to eat it midday

Afternoon consumption as a snack provides sustained energy and satiety through balanced protein and fat, prevents late-afternoon energy dips, and avoids potential sleep disruption from stimulating polyphenols if consumed late evening

Breaks a fast

While nutritious, pistachios break a fast due to fat and protein content. Post-workout timing is acceptable but not superior to midday consumption for longevity benefits.