Publications, Media & Content Development

Meet our experts, Joanna and Marnie

Joanna and Marnie are our resident gut health experts, with qualifications in nutrition and diet. As accredited practising dietitians and nutritionists, they are experts in the relationship between diet and disease, providing professional evidence-based advice to complement medical intervention and support patients in managing their condition.

Joanna Baker – Master of Dietetics | Grad Cert Nutrition | Bachelor of Health Science

Everyday Nutrition founder and accredited practising dietitian Joanna Baker has suffered with irritable bowel syndrome (IBS) and food intolerance, so she knows first hand what it’s like to live with unpredictable gut upsets and dietary restrictions. 

With over 20 years’ experience in an acute hospital setting, Joanna established Everyday Nutrition in 2012, with the goal of helping people learn to nourish their body with healthy food that is easy to prepare and helps them feel great inside and out.




Marnie Nitschke – Master of Dietetics | Bachelor of Science (Nutrition)

Marnie is an experienced dietitian and accredited nutritionist with a passion for gut health. She has a strong history in nutrition consulting, corporate health promotion, and clinical dietetics, and is an accomplished nutrition writer and presenter.

With a Bachelor of Science (Nutrition) and Master of Dietetics, Marnie specialises in the management of coeliac disease, IBS, low FODMAP diet and food intolerance, helping clients with individualised and practical advice to achieve the best health outcomes.




Thought leaders in nutrition and gut health

Outside of their direct practice, Joanna and Marnie are passionate advocates, communicators and educators in the fields of gut health, nutrition and wellness. They regularly write for several leading publications and contribute to the ongoing dialogue around nutrition and health through the widely-read Everyday Nutrition blog.

Key topics of expertise include gut health, irritable bowel syndrome (IBS), food intolerances, chemical sensitivities, the low FODMAP diet, food and lifestyle.

Media and speaking opportunities

Joanne and Marnie are available for a variety of speaking and media opportunities. Please contact us by email at 

  • feature article and editorial writing
  • providing quotes for journalists
  • advice for food industry partners
  • public speaking events
  • professional education seminars

Read our most popular posts

Marnie and Joanna write on a diverse range of topics in the field of gut health, wellness, diet, nutrition and lifestyle. Here are a selection of the most popular posts on the Everyday Nutrition blog.

Diet and nutrition tips

Is Intermittent Fasting Good for IBS?

Irritable Bowel Syndrome and the Low FODMAP Diet

Why Do I React to Low FODMAP Foods?

Low FODMAP articles

10 Low FODMAP Foods You Didn’t Know You Could Eat

10 Great Low FODMAP Supermarket Foods

Is Greek Yoghurt Low FODMAP?

Recipes and meals

Low FODMAP Hot Cross Buns

How to Eat Vegetarian on a 7 Day Low FODMAP Diet

How to Choose Low FODMAP Sourdough

Resources for professionals

A growing number of people are seeking the trusted advice of healthcare professionals to assist them in the diagnosis, treatment and management of gut health issues We’ve put together a range of resources for healthcare professionals and their patients.

These resources are designed to educate patients and healthcare professionals about IBS diagnosis, medical management, dietary intervention and the low FODMAP diet.

Visit our resources page to download free information sheets and patient referral forms.