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Medications for Obesity

A Guide to Eating Well, Staying Active, and Managing Your Health

Supporting healthier lifestyle changes while using weight management medications such as Wegovy, Mounjaro, and Saxenda. Based on guidance from the British Dietetic Association.

How These Medications Work

Medications for obesity work by:

✅ Helping you feel fuller for longer

✅ Reducing hunger and appetite

✅ Slowing stomach emptying

✅ Supporting blood sugar management

These medications are a tool to support weight management and are most effective when combined with healthy lifestyle habits.

What Does a Healthy Lifestyle Look Like?

A healthy lifestyle focuses on caring for both your body and mind.

Key Habits

🍎 Eat a variety of nutritious foods

🚶 Stay physically active

💧 Drink enough fluids

😴 Get sufficient sleep

📱 Reduce recreational screen time

🧘 Manage stress and support mental wellbeing

Small, consistent changes can lead to long-term improvements in health and wellbeing.

Eating for Health

When taking weight management medications, you may feel full sooner and eat smaller portions. It remains important to eat regularly and nourish your body.

Build a Balanced Plate

Protein

  • Fish
  • Chicken
  • Eggs
  • Beans
  • Tofu
  • Greek yoghurt

Carbohydrates

  • Wholegrain bread
  • Brown rice
  • Wholewheat pasta
  • Potatoes

Fruit & Vegetables

  • Aim to include vegetables or fruit with every meal

Healthy Fats

  • Avocado
  • Nuts and seeds
  • Olive oil
  • Oily fish

Don’t Forget

✅ Include protein at every meal

✅ Choose fibre-rich foods

✅ Drink 1.5 to 2 litres of fluid daily

✅ Include calcium-rich foods for bone health

Understanding Side Effects

Some people may experience side effects, especially when starting treatment or increasing dosage.

Common Side Effects

  • Nausea
  • Constipation
  • Diarrhoea
  • Burping
  • Digestive discomfort

Tips to Feel Better

✔ Eat smaller meals

✔ Eat slowly and chew thoroughly

✔ Avoid high-fat and spicy foods if they trigger symptoms

✔ Stay hydrated

✔ Increase dietary fibre gradually

✔ Limit fizzy drinks, alcohol, and sugary beverages

If side effects become severe or you struggle to eat or drink, contact your healthcare professional immediately.

Food Noise & Mindful Eating

“Food noise” refers to persistent thoughts about food that can sometimes feel overwhelming.

Helpful strategies include:

  • Identifying triggers such as stress or tiredness
  • Journaling your thoughts and feelings
  • Eating mindfully and more slowly
  • Maintaining regular meals and hydration
  • Focusing on enjoyable activities and hobbies

Building awareness around food-related thoughts can support long-term success and a healthier relationship with food.

Important Information

Before starting medication for obesity:

  • Speak with your doctor or pharmacist
  • Discuss any existing medications
  • Inform healthcare professionals before surgery
  • Seek medical advice if pregnant, planning pregnancy, or breastfeeding

These medications may not be suitable for everyone.

Page published: 17 July 2026
Last updated: 17 July 2026