MEET THE FOUNDER

NICOLA TULISSIO, Eating Disorder Dietitian, Sydney | Telehealth Worldwide

BNutrDiet(Hons 1)(Dean’s Scholar), APD, CEDC-D

“Advanced Clinical Dietetics was established to provide specialised, evidence-based eating disorder dietitian services grounded in clinical rigour and person-centred care.

Nicola Tulissio is an Accredited Practising Dietitian and Credentialed Eating Disorder Clinician providing structured medical nutrition therapy for children, adolescents and adults experiencing eating disorders, disordered eating, and complex mental health or medical presentations. Services are available via telehealth across Australia and in-person in Sydney.

The practice focuses on eating disorder treatment, nutritional rehabilitation, and medical nutrition therapy delivered within a trauma-informed and weight-inclusive framework. Care is based on comprehensive assessment, clinical guidelines, and collaborative treatment planning.

Advanced Clinical Dietetics works closely with GPs, psychologists, psychiatrists, and multidisciplinary teams, including under GP Eating Disorder Treatment Plans where appropriate, to ensure coordinated and consistent care.

The practice is committed to restoring nutritional stability, supporting long-term recovery, and delivering high-quality clinical dietetic care with integrity and professionalism.”

ABOUT US

Advanced Clinical Dietetics is a Sydney-based private practice specialising in eating disorder treatment and complex clinical nutrition care. Our practice supports children, adolescents and adults across Sydney, with telehealth services available throughout Australia. Care is delivered by an Accredited Practising Dietitian, Accredited Nutritionist and Credentialed Eating Disorder Clinician. We work closely with referring GPs under GP Management Plans and Eating Disorder Treatment Plans, ensuring coordinated and structured care.

If you are searching for an experienced eating disorder dietitian in Sydney, Advanced Clinical Dietetics provides specialised, compassionate, and clinically rigorous support.

Our Approach

At Advanced Clinical Dietetics, our approach to eating disorder treatment is grounded in evidence-based Medical Nutrition Therapy and multidisciplinary collaboration.

We focus on:

  • Nutritional rehabilitation and metabolic stabilisation

  • Establishing regular eating patterns

  • Reducing binge–restrict cycles

  • Addressing fear foods and food rules

  • Supporting weight restoration when clinically indicated

  • Improving the relationship with food and body

As a Credentialed Eating Disorder Clinician in Sydney, Dietitian Nicola integrates current clinical guidelines with individualised care plans tailored to each individual’s psychological, medical, and social needs.

Recovery is not one-size-fits-all. Our approach prioritises safety, structure, and sustainable progress.

WHO WE CAN HELP

We provide specialised eating disorder dietitian support in Sydney for children, adolescents and adults experiencing:

  • Anorexia Nervosa
  • Bulimia Nervosa
  • Binge Eating Disorder
  • Rumination Disorder
  • Avoidant Restrictive Food Intake Disorder (ARFID)
  • Other Specified Feeding or Eating Disorder (OSFED)
  • Non-Diet Approach
  • Orthorexia
  • Weight neutral approach
  • Intuitive Eating
  • Body image concerns
  • Body dysmorphia

We have clinical experience in the assessment and management of a broad range of conditions, including the following:

  • Malnutrition and weight loss
  • Body composition and weight management
  • Micronutrient deficiencies
  • Gastrointestinal issues (diarrhoea, constipation, irritable bowel syndrome)
  • Low FODMAP elimination and reintroduction
  • Altered nutritional digestion and absorption
  • Diabetes | pre-diabetes | insulin resistance
  • Cardiovascular disease, blood pressure and cholesterol management
  • Food intolerances
  • Arthritis (rheumatoid and osteoarthritis)
  • Inflammatory conditions
  • Multiple sclerosis and neurological conditions
  • Nutritional counselling and behaviour change
  • Fatigue
  • Loss of appetite
  • Wound healing
  • Oral changes such as dry mouth and taste changes
  • Swallowing difficulty and texture-modified diets

We offer evidence-based medical nutrition therapy for individuals diagnosed with the following cancer types:

  • Bone and soft tissue (sarcoma)
  • Breast
  • Brain and neurological
  • Head and neck (thyroid, tongue, throat)
  • Lung
  • Gynaecological
  • Genitourinary (kidney, bladder, prostate, testicles and penis)
  • Upper gastrointestinal (oesophagus, stomach, pancreas, liver, kidney, gall bladder, GIST)
  • Lower gastrointestinal (small intestine, large intestine, rectum)
  • Skin and melanoma
  • Haematological and blood
  • Cancers of unknown primary
  • Enteral tube feeding

FREQUENTLY ASKED QUESTIONS

WE ARE REGISTERED WITH THE FOLLOWING PROFESSIONAL ASSOCIATIONS

Logo of Dietitians Australia with a stylised 'D' in teal and black text.
Logo of ANZAED, the Australia & New Zealand Academy for Eating Disorders, featuring the organisation's name and a circular design element.
Green background with the word 'medicare' in large yellow lowercase letters.
The official emblem of the Australian Government Department of Veterans' Affairs, featuring a kangaroo, emu, shield, star, and olive branches, with text 'Australian Government Department of Veterans' Affairs'.
Logo of the Gordon K. and Patricia C. Smith International Honour Society of Leadership and Service, featuring a key and ribbons, with the text 'G K' and the year 1977.

Contact Us

To contact us or book an appointment, you are welcome to complete the contact form below or reach out via email or phone.

Phone: (+61) 0493 065 696

Email: info@advancedclinicaldietetics.com.au

Crisis Support

If you are in immediate danger or require urgent medical assistance, please call 000 or present to your nearest emergency department.

If you need immediate mental health support, the following services are available 24 hours a day:

NSW Mental Health Access Line
1800 011 511

Lifeline
13 11 14

If you are outside of NSW, please contact your local state mental health crisis service or emergency department.

Get in Touch