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

Immune Support

Immune Support

Immune readiness comes from balanced protein, micronutrients and consistent habits.

Key compounds

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

  • Selenium — Selenium is a trace mineral the body needs only in tiny amounts, yet its influence is far-reaching. It forms the active core of selenoproteins — specialised
  • Vitamin D — The sunshine vitamin: scarce in food (oily fish lead), it works like a hormone for bone, muscle and immune health.
  • Vitamin C — Vitamin C is a water-soluble antioxidant the body cannot store for long, so a regular dietary supply matters. Beyond immune support it is essential for collagen…
  • Zinc — Zinc is a workhorse trace mineral behind immune function, skin repair and taste. As with iron, the phytates in unsoaked legumes and grains bind zinc and…

Best foods for this goal

The foods below are good practical choices.

  • Orange
  • Nutrition facts per 100g

    Nutrient Amount Unit
    Calories 47 kcal
    Protein 0.94 g
    Carbohydrate 11.75 g
    Dietary Fibre 2.4 g
    Sugars 9.35 g
    Fat 0.12 g
    Saturated Fat 0.02 g
    Sodium 0 mg
    Potassium 181 mg

    Source: USDA FoodData Central (FDC 169097)

  • Red Bell Pepper
  • Nutrition facts per 100g

    Nutrient Amount Unit
    Calories 31.3 kcal
    Protein 0.9 g
    Carbohydrate 6.65 g
    Dietary Fibre 1.16 g
    Sugars 4.2 g
    Fat 0.13 g
    Saturated Fat 0 g
    Sodium 0 mg
    Potassium 213 mg

    Source: USDA FoodData Central (FDC 2258590)

  • Chicken Breast
  • Nutrition facts per 100g

    Nutrient Amount Unit
    Calories 165 kcal
    Protein 31 g
    Carbohydrate 0 g
    Dietary Fibre 0 g
    Sugars 0 g
    Fat 3.6 g
    Saturated Fat 0.7 g
    Sodium 74 mg
    Potassium 256 mg

    Source: USDA FoodData Central (FDC 2759004)

  • Mussels
  • Nutrition facts per 100g

    Nutrient Amount Unit
    Calories 86 kcal
    Protein 11.9 g
    Carbohydrate 3.69 g
    Dietary Fibre 0 g
    Sugars 0 g
    Fat 2.24 g
    Saturated Fat 0.43 g
    Sodium 286 mg
    Potassium 320 mg

    Source: USDA FoodData Central (FDC 174216)

  • Sunflower Seeds
  • Nutrition facts per 100g

    Nutrient Amount Unit
    Calories 609 kcal
    Protein 18.9 g
    Carbohydrate 24.5 g
    Dietary Fibre 7.22 g
    Sugars 2.62 g
    Fat 48.4 g
    Saturated Fat 4.46 g
    Sodium 0 mg
    Potassium 657 mg

    Source: USDA FoodData Central (FDC 2515381); sugars/sat-fat: FDC 170562

  • Garlic
  • Nutrition facts per 100g

    Nutrient Amount Unit
    Calories 143 kcal
    Protein 6.62 g
    Carbohydrate 28.2 g
    Dietary Fibre 2.7 g
    Sugars 1 g
    Fat 0.38 g
    Saturated Fat 0.1 g
    Sodium 17 mg
    Potassium 401 mg

    Source: USDA FoodData Central (FDC 1104647)

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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