Foundations of Healthy Eating
Healthy eating is not a strict set of rules or a “perfect” way to eat. It is a flexible approach that supports health, wellbeing and everyday life, taking into account preferences, routines, culture and individual needs
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Nutrition Guide. Sinead O'Donovan, Dietitian and Performance Nutritionist, RD, MSc.
Portion Sizes1,2
Being aware of portion sizes can help support health and weight management over time. Regularly eating too much or too little of certain foods may affect energy levels, appetite, weight and overall health.
Portion needs vary from person to person and depend on factors such as age, body size, health, activity levels and lifestyle.
Useful tools for portion sizes
Plate Model3
The balanced plate is a simple, visual way to portion meals without weighing, measuring or tracking food. It focuses on building meals that are balanced, nourishing and satisfying.3
A balanced plate generally includes:
- Half the plate made up of vegetables or salad
- One quarter of the plate from protein foods
- One quarter of the plate from carbohydrate foods
A small amount of fat, included as part of cooking or added at the table
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Hand portions2
Hand portions are a simple way to estimate portion sizes without weighing or measuring food. Using your own hand as a guide helps tailor portions to your body size and individual needs.
As a general guide:
- A palm-sized portion for protein foods
- A fist-sized portion for vegetables or salad
- A cupped hand for carbohydrates
- A thumb-sized portion for fats
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This approach supports portion awareness while keeping meals flexible and easy to manage day to day.
Eating Out
Eating out is a normal part of life and can fit into a healthy eating pattern. Meals in cafes and restaurants are often larger than those prepared at home, so being mindful of portion sizes can be helpful.
Rather than focusing on strict rules, simple, flexible strategies can support both balance and enjoyment when eating out.
Simple strategies when eating out:
- Share dishes or order a few plates to share at the table
- Eat slowly and pause between bites to notice fullness
- Leave food on the plate if you feel satisfied
- Add a side of vegetables or salad to help balance the meal
- Choose dishes with a good source of protein to support fullness
- Be mindful of liquid calories such as sugary drinks or alcohol
- Focus on enjoyment and satisfaction rather than making the “perfect” choice
Eating out does not require restriction or compensation at later meals. What matters most is your overall pattern of eating over time, not any single meal.
Alcohol
Alcohol isn’t essential for health and provides energy (calories) without nutritional benefit. These calories can add up over time, especially if alcohol is consumed regularly, and may contribute to weight gain.4,5
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Alcohol unit guidence taken from HSE: https://www2.hse.ie/living-well/alcohol/health/improve-your-health/weekly-low-risk-alcohol-guidelines/
Alcohol can also affect appetite, food choices and sleep.4,5 It may make it harder to notice hunger and fullness cues and can disrupt sleep, which can influence energy levels and eating patterns the following day.
If you choose to drink, being mindful of how often and how much you drink can support weight management and overall health.6
Tips for managing alcohol intake:7
- Have at least 2-3 alcohol-free days per week.
- It is not advised to drink more than 6 standard drinks on any one occasion.
- Choose smaller servings or lower-strength options
Alternate alcoholic drinks with water
Navigating Weekends
Weekends often look different to weekdays, with changes in routine, social plans, eating patterns and alcohol intake. This is normal and part of everyday life.
More relaxed schedules, meals out or drinks with friends can sometimes lead to higher energy intake over the weekend. Over time, large differences between weekdays and weekends can make weight management feel more challenging.
Rather than aiming for perfection, focusing on a few simple habits can help support balance:
- Keeping regular meals where possible
- Including protein and vegetables in meals to support fullness
- Being mindful of alcohol intake and having alcohol-free days
- Staying active in ways you enjoy, such as walking or social movement
What matters most is the overall pattern of eating and drinking over time. Small, consistent habits across both weekdays and weekends are more supportive of long-term health and weight management.
Top tip: Try to avoid an “all-or-nothing” approach, aim for consistency, not perfection, across the week.
If you feel like you need further support managing your weight, you can find it here
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References
- HSE. How to Eat Well [Internet]. Health Service Executive; 2025. Available from: https://www2.hse.ie/living-well/healthy-eating/how-to-eat-well/ Accessed April 2026
- BNF (2025) Get portion wise! British Nutrition Foundation. Available from: https://www.nutrition.org.uk/creating-a-healthy-diet/portion-sizes/ Accessed April 2026
- NHS. The Eatwell Guide [Internet]. Public Health England; 2025. Available from: https://www.nhs.uk/live-well/eat-well/food-guidelines-and-food-labels/the-eatwell-guide/ Accessed April 2026
- Drink Aware. Low Risk Weekly Alcohol Guidelines [Internet]. Drink Aware; 2025. Available from: https://drinkaware.ie/facts/low-risk-weekly-alcohol-guidelines/ Accessed April 2026
- HSE. Alcohol and Health [Internet]. Health Service Executive; 2025. Available from: https://www2.hse.ie/living-well/alcohol/health/ Accessed April 2026
- Yeomans, M. R. Effects of alcohol on food and energy intake in human subjects: evidence for passive and active over-consumption of energy. British Journal of Nutrition. 2004; 92(S1): S31-S34.
- Health Service Executive. Weekly low-risk alcohol guidelines [Internet]. Health Service Executive; 2025. Available from: https://www2.hse.ie/living-well/alcohol/health/improve-your-health/weekly-low-risk-alcohol-guidelines/ Accessed April 2026
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April 2026