What Should I Eat When I Have a Cold or Flu?
Quick answer: Prioritise fluids and immune-boosting foods: chicken soup, citrus, garlic, and ginger. Your appetite will be reduced — that's normal. Focus on nutrient density and hydration.
What to Eat
Chicken soup
The gold standard. Provides hydration, electrolytes, protein, and has mild anti-inflammatory properties backed by research.
Garlic
Contains allicin — a compound with proven antimicrobial and antiviral properties. Add to soups, broths, or toast.
Ginger tea with honey
Ginger reduces inflammation; honey soothes the throat and has antimicrobial properties.
Citrus fruits (oranges, grapefruit, lemon)
High in vitamin C which supports immune function and reduces duration of colds.
Turmeric (in warm milk or soup)
Curcumin has strong anti-inflammatory and antioxidant effects.
Bone broth
Rich in minerals, collagen, and electrolytes — supports gut and immune health.
Plain yoghurt
Probiotics support gut immunity; the gut houses 70% of your immune system.
Oatmeal with berries
Beta-glucan in oats boosts immune function; berries provide antioxidants.
Eggs
Rich in zinc and protein — both critical for immune response and recovery.
What to Avoid
Alcohol
Suppresses immune function and dehydrates — exactly what you don't want when fighting a cold.
Sugary drinks and sweets
High sugar intake has been shown to suppress white blood cell activity for hours.
Processed and fried foods
Promote inflammation — the opposite of what your body needs to recover.
Dairy in large amounts (if congested)
Some people find dairy thickens mucus and worsens congestion. Yoghurt (in small amounts) is still beneficial for probiotics.
Caffeine (in excess)
Can worsen dehydration and disrupt sleep — which is your body's primary repair mechanism.
Hydration
Aim for 8–10 glasses of fluid per day. Hot fluids (tea, broth, warm water with lemon) help clear nasal congestion. Honey and lemon in warm water is one of the most effective soothing drinks.
Tips
- •Rest is the most important treatment — diet supports but doesn't replace sleep.
- •Zinc lozenges (within 24 hours of symptom onset) have been shown to shorten cold duration.
- •Vitamin D deficiency is linked to more severe respiratory infections — consider a supplement.
- •Steam inhalation helps clear congestion while you recover.