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Nutrition Basics: Building a Balanced Diet

Reviewed by the GP team at Griffin Medical Centre||5 min read

Balanced meal plate with salmon, quinoa, avocado and colourful vegetables

Key takeaways

  • A balanced diet combines the five food groups with mostly whole foods.
  • Aim for five serves of vegetables and two of fruit each day.
  • Limit processed foods, sugary drinks and excess salt.
  • A GP referral can give you subsidised sessions with an accredited dietitian.

Good nutrition forms the foundation of good health. It fuels your body, supports your immune system and reduces your risk of chronic disease. A balanced diet is essential for everyone, whether you are managing a condition or simply aiming to feel your best.

What is a balanced diet?

A balanced diet includes the right proportions of macronutrients (carbohydrates, proteins, fats) and essential micronutrients (vitamins and minerals). It should be diverse, colourful and based on whole foods. The Australian Dietary Guidelines set out recommended serve sizes by age and life stage.

Key food groups

  • Fruits and vegetables: aim for five serves a day, rich in fibre, antioxidants and essential vitamins
  • Whole grains: brown rice, quinoa, oats and wholemeal bread provide energy and support digestion
  • Lean proteins: chicken, fish, legumes, tofu and eggs help build and repair tissue
  • Dairy or alternatives: choose low-fat milk, yoghurt, or calcium-fortified plant-based options
  • Healthy fats: avocados, nuts, seeds and olive oil support heart health

What to limit

  • Processed foods, often high in sodium, unhealthy fats and added sugars
  • Sugary drinks, a major source of empty kilojoules and a contributor to weight gain
  • Excessive salt, which can lead to high blood pressure, so use herbs and spices instead

Cutting salt is one of the most effective changes for anyone managing high blood pressure.

Practical tips

  • Meal planning: prepare meals in advance to avoid unhealthy choices when time is short
  • Portion control: use smaller plates and be mindful of hunger and fullness cues
  • Stay hydrated: water is essential, so aim for six to eight glasses a day

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Special considerations

Your nutritional needs may vary depending on age, activity level and health conditions. Fibre and fermented foods deserve particular attention, as covered in our post on gut health. Speak with your GP or a dietitian for personalised advice, especially if you are managing diabetes, coeliac disease or food intolerances.

When to see a doctor

If you experience unexplained weight loss, fatigue or digestive issues, it may signal a dietary imbalance or underlying condition. Our on-site dietetics service is listed on the services page, and a GP referral may make sessions more affordable.

Griffin Medical Centre provides support for dietary management and referrals to accredited practising dietitians. Griffin Medical Centre cares for families across Griffin, Murrumba Downs, North Lakes, Mango Hill and Kallangur.

Have a question about your health?

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This article is general information only and is not a substitute for personalised medical advice. Please speak with your GP about your individual circumstances. Published 13 May 2026.