Evidence-based nutrition, in plain English — every entry sourced from clinical research.

FOOD PROFILE

Spinach

23kcalCalories
2.9gProtein
3.6gCarbs
0.4gFat
2.2gFiber

Spinach packs folate, magnesium and dietary nitrates — the same compounds that make beets popular with athletes — into just 23 calories per 100 g.

What the research says

New England Journal of Medicine · 1997 · Randomized controlled feeding trial

A Clinical Trial of the Effects of Dietary Patterns on Blood Pressure (DASH)

A diet rich in fruits, vegetables and low-fat dairy lowered systolic blood pressure by 5.5 mmHg versus a typical American diet — comparable to single-drug therapy.

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Advances in Nutrition · 2017 · Systematic review & meta-analysis

Effects of Beetroot Juice on Blood Pressure: A Systematic Review

Inorganic nitrate from beetroot juice significantly reduced systolic blood pressure, with effects strongest in longer trials.

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nutritious foods
Nutrition Facts
Per 100 g, edible portion · values per 100 g
Calories 23
Total Fat 0.4 g
Saturated Fat 0.1 g
Sodium 79 mg
Potassium 558 mg
Total Carbohydrate 3.6 g
Dietary Fiber 2.2 g
Total Sugars 0.4 g
Protein 2.9 g
Vitamin K, folate, iron, magnesium, nitrates
Glycemic index: 15
Source: USDA FoodData Central (approx.)