Liza Ranelli

BSc (Nutritional Medicine); AFMPC; Certified Integrative Oncology; ANTA; ANutr; Sports Sc (ACHPER); ASCTA; Cert IV TAE
Liza Ranelli is a Clinical Nutritionist & Functional Medicine Practitioner, certified by the American Institute of Functional Medicine, specialising in complex and chronic health concerns.
Liza Ranelli

Liza's journey into nutrition and functional medicine was born from personal experience. Having navigated complex health issues including chronic pain, EDS, multiple autoimmune diseases, and chronic fatigue, she embarked on a multi-decade exploration of evidence-based holistic health modalities. Liza's first-hand experiences as a patient guided her journey to becoming a practitioner and have equipped her with an expansive, non-dogmatic understanding of complicated chronic health conditions.

With a background as a multi-sport athlete in her youth, Liza initially dedicated her career to the fitness industry, spending over 30 years educating, coaching, and mentoring individuals across all age groups. Seeking to offer a more comprehensive approach to health and well-being, she pursued further studies in Nutritional Medicine. Her education includes a Bachelor of Health Science in Nutritional and Dietetic Medicine, certification in Integrative Oncology, and training at the Institute of Functional Medicine in America, making her one of Western Australia's few Certified Functional Medicine Practitioners (AFMCP).

At Biio, Liza brings her extensive experience and empathetic approach to every client interaction. She specialises in supporting patients with chronic illnesses, working in conjunction with other medical and allied health professionals to uncover and treat the root cause of complex health concerns.

Her expertise extends to sports nutrition, where she mentors athletes to achieve their goals by addressing nutritional intake, exercise requirements, and lifestyle factors. Liza's experience also includes working as a team lead for the Fast 800 program by Dr Michael Mosley and supporting individuals with therapeutic fasting protocols.

Utilising evidence-based approaches and drawing on the latest scientific research, Liza works collaboratively with her patients to formulate personalised treatment plans. Her areas of expertise include chronic & rare diseases, autoimmune conditions, MCAS, CIRS, hypermobility disorders, mental health problems, hormonal imbalances, oncology, and gut disorders. With her compassionate and non-judgmental approach, Liza is dedicated to helping clients navigate even the most complex health concerns.

Liza has also recently written and published a book on pain - "UNF**KING PAIN" - a comprehensive guide to understanding and managing pain. It explores nutrition & diet, movement & exercise, stress management, sleep optimisation, emotional wellbeing, and many other holistic and integrative approaches, including pain journal worksheets.

Whether you're seeking a functional medicine practitioner, tailored nutritional support, or have complex health issues that haven't responded to conventional treatments, Liza offers a comprehensive, personalised approach to help you achieve optimal health and well-being.

Focus areas

  • Chronic and complex conditions
  • Autoimmune conditions
  • Mast Cell Activation Syndrome (MCAS)
  • Chronic Inflammatory Response Syndrome (CIRS)
  • Hypermobility disorders
  • Mental health
  • Hormonal imbalances
  • Oncology (cancer-related conditions)
  • Gut disorders
  • Chronic pain
  • Chronic fatigue syndrome
  • Ehlers-Danlos Syndrome (EDS)

Book an appointment today with

Liza Ranelli

Begin you journey towards optimal wellbeing.