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Marli Ollerton is a nutritionist specialising in gut health and the Gut-Brain connection.

Claimable on most health funds.

In-person and telehealth appointments available.

Please reach out if you are an NDIS participant or

hold a low-income health care card.

When we experience stress, a hormone called cortisol is released which can cause systemic inflammation when elevated for a long period of time, causing leaky gut in our gastrointestinal tract and symptoms such as bloating, altered bowel movements and food intolerances.

Our guts can also affect our minds. Inflammation from poor dietary choices, pollution, medications, smoking etc. can cause inflammation which negatively impacts our central nervous system and production of neurotransmitters that regulate our mood.

A Little
About Me

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The Gut-Brain Connection

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Screen Shot 2023-09-19 at 10.59_edited.j

Nutrient Deficiency

Microbial Balance

Leaky Gut/ Inflammation

Stress/ Cortisol

CNS/ Neurotransmitters


95% of our serotonin is located in our guts

  • Nutritional compounding: mixing together tailored doses of vitamins, amino acids and minerals to create a custom prescription for each client.

  • Detailed Meal Plans (inclusive of recipes, shopping lists, and nutrient values).

  • Treatment Plans with detailed information sheets

  • Practitioner grade supplements

  • Free Call with me to show what I can offer you

What can I treat?

  • Gut health (gut-brain connection, IBS, bloating, Crohn's disease, food intolerances, constipation, diarrhoea)

  • Mental health (mood, energy, sleep, anxiety/stress) 

  • Female health and reproduction (Painful/irregular periods, PMS, acne, PCOS, and hormone balancing)

  • Weight management and liver detoxification

I grew up in the small town of Castlemaine in rural Victoria, before moving to Melbourne city to study nutrition at Endeavour College of Natural Health. The thing I love about studying and consulting nutrition is that it will never cease to challenge me. There is constantly new research and information coming out on the role of nutrition in health and disease, so being able to adapt treatments and hear new perspectives on the most recent research is what really sets nutrition apart from standardised treatment in supporting health and wellbeing.


Why I chose the name 'Healing Ray'

When I was 15 years old, my father Raymond, or Ray, passed away from bowel cancer. A brilliant chef that taught me how to cook and make tasty and wholesome food. The experience of his death is really what pushed me to pursue a career in health and nutrition. The knowledge I now have is something I wish my family and I understood when he was sick, but I hope to now inspire and educate others about the importance of our health and the role it can play in supporting our amazing lives.

Educational Background

2019-2022                                      Health science degree specialising in nutritional and          Undergraduate Degree               dietetic medicine with distinction.​ 

Endeavour College                 

of Natural Health                           Completed subjects including: Biology, Chemistry and

                                                           Biochemistry, Pharmacology, Pathology and Clinical Science,                                                                   Clinical Examinations, Food Sociology, and  Public Health

                                                           Completed 500 supervised clinical hours


Bayleaf Wellness                              Completed an Internship with a qualified clinical nutritionist                                                                     specialising in supporting mental health


2022- Current

Volunteer at FareShare                Prepare and package nutritious meals made from rescued,                                                                       donated and homegrown ingredients to improve the lives of                                                                   Australians in hardship

2021-Current                                Support NDIS participants in the community, including cooking    NDIS disability support worker      in commercial kitchens and making clients homecooked meals                                                                to help support macro and micronutrient requirements



Member of the Australian Natural Therapists Association (ANTA) adhering to a strict code of conduct and ethics
Member number: 27638

Working with Childrens Check

Australian First Aid Certificate 



Blog and Free Resources

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