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

Lower Blood Pressure

Lower Blood Pressure

Use potassium-rich foods, reduced sodium choices and meal patterns that support healthy blood pressure.

Key compounds

The evidence base for this goal focuses on several well-studied compounds.

  • Dietary Fibre — Dietary fibre is the part of plant foods your body cannot digest — and that is exactly the point. It slows the release of sugar into
  • Potassium — Potassium is the body’s principal intracellular electrolyte, quietly partnering with sodium to manage fluid balance, nerve signals and every heartbeat. Most of us fall short of
  • Magnesium — Magnesium is among the most common shortfall nutrients in modern diets, since refining strips it from grains. It is concentrated in seeds, nuts, dark chocolate and…

Best foods for this goal

The foods below are good practical choices.

Spinach

Nutrition Facts
Per 100 g, edible portion · values per 100 g
Calories 23
Total Fat 0.39 g
Saturated Fat 0.06 g
Sodium 79 mg
Potassium 558 mg
Total Carbohydrate 3.63 g
Dietary Fiber 2.2 g
Total Sugars 0.42 g
Protein 2.86 g
Vitamin K, folate, iron, magnesium, nitrates
Glycemic index: 15
Source: USDA FoodData Central (FDC 168462)

Banana

Nutrition Facts
Per 100 g, edible portion · values per 100 g
Calories 89
Total Fat 0.33 g
Saturated Fat 0.11 g
Sodium 1 mg
Potassium 358 mg
Total Carbohydrate 22.84 g
Dietary Fiber 2.6 g
Total Sugars 12.23 g
Protein 1.09 g
Vitamin B6, vitamin C, potassium, manganese
Glycemic index: 51
Source: USDA FoodData Central (FDC 173944)

Sweet Potato

Nutrition Facts
Per 100 g, edible portion · values per 100 g
Calories 79
Total Fat 0.38 g
Saturated Fat 0.018 g
Sodium 0 mg
Potassium 486 mg
Total Carbohydrate 17.33 g
Dietary Fiber 3 g
Total Sugars 4.18 g
Protein 1.58 g
Beta-carotene (vitamin A), vitamin C, manganese
Glycemic index: 63
Source: USDA FoodData Central (FDC 2346404, Sweet potatoes orange flesh without skin raw) — corrected 2026-07-01, prior value matched "Sweet potato leaves, raw" (wrong plant part); fiber/sugar/sat-fat not reported by this record, left blank rather than estimated; fiber/sugars/sat-fat: FDC 168482

Beetroot

Nutrition Facts
Per 100 g, edible portion · values per 100 g
Calories 43
Total Fat 0.17 g
Saturated Fat 0.03 g
Sodium 78 mg
Potassium 325 mg
Total Carbohydrate 9.56 g
Dietary Fiber 2.8 g
Total Sugars 6.76 g
Protein 1.61 g
Folate, manganese, dietary nitrates, betalains
Glycemic index: 61
Source: USDA FoodData Central (FDC 169145)

Garlic

Nutrition Facts
Per 100 g, edible portion · values per 100 g
Calories 143
Total Fat 0.38 g
Saturated Fat 0.1 g
Sodium 17 mg
Potassium 401 mg
Total Carbohydrate 28.2 g
Dietary Fiber 2.7 g
Total Sugars 1 g
Protein 6.62 g
Manganese, vitamin B6, vitamin C, allicin
Glycemic index: 30
Source: USDA FoodData Central (FDC 1104647)

Greek Yogurt (plain, nonfat)

Nutrition Facts
Per 100 g, edible portion · values per 100 g
Calories 61
Total Fat 0.37 g
Saturated Fat 0.11 g
Sodium 36 mg
Potassium 141 mg
Total Carbohydrate 3.64 g
Dietary Fiber 0 g
Total Sugars 3.2 g
Protein 10.3 g
Calcium, vitamin B12, probiotics, iodine
Glycemic index: 11
Source: USDA FoodData Central (FDC 330137)

Practical takeaways

Focus on consistency, variety and the overall dietary pattern. Smaller daily choices tend to outperform occasional large changes.

Common questions

Is one compound enough? Rarely. Whole foods and dietary patterns usually outperform single-compound strategies.

How fast can diet change inflammation or blood markers? It depends on the marker, the starting diet and lifestyle factors. Expect gradual trends rather than overnight shifts.

A note on health content. This article is for general information and is not a substitute for professional medical or dietetic advice. Where we cite research, links to the original papers are provided so you can read the evidence yourself.

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