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Established in 1992, Dietwise is one of Perth's longest-established private dietetic practices. Based in North Perth, our Accredited Practising Dietitians (APDs) provide evidence-based, compassionate nutrition care for children, adolescents and adults with everyday concerns and complex health conditions. OUR CLINICAL EXPERTISE • Eating disorders: Anorexia Nervosa, Bulimia Nervosa, Binge Eating Disorder, OSFED & ARFID • Disordered eating, body image concerns and relationships with food - Gut health: IBS, low-FODMAP diets, coeliac disease, reflux & constipation - Women's health: PMOS, endo, fertility, pregnancy, menopause & bone health - Neurodivergent nutrition: Autism, ADHD, sensory-related eating challenges & trauma - Children's nutrition: fussy eating, feeding difficulties & faltering growth - Weight concerns, GLP-1 support, bariatric surgery - Diabetes, cardiovascular & metabolic health - Older adult nutrition, malnutrition, unintentional weight loss & deficiencies - Cancer nutrition - NDIS nutrition support SPECIALIST EATING DISORDER CARE Our team includes Credentialed Eating Disorder Clinicians (CEDCs). We collaborate with clients, families and multidisciplinary healthcare teams to provide coordinated, harm-minimisation and recovery-focused care. OUR APPROACH There is no one-size-fits-all approach to nutrition. We take time to listen and understand the whole person, including their health, experiences, preferences and priorities. We combine evidence-based medical nutrition therapy with Non-Diet and Health at Every Size® (HAES®) principles. Our care is weight-neutral, trauma-informed, neurodiversity-affirming and strengths-based. Together, we develop practical, flexible strategies that respect autonomy and build confidence in managing nutrition and health. Our values—Inclusion, Empowerment, Compassion, Excellence and Collaboration—guide the care we provide. In-person appointments in North Perth and telehealth across Australia.

Dietwise Questions

The Dietwise annual revenue was $4 million in 2026.

Sonya Douglas is the Founder, Director and Principal Dietitian of Dietwise.

5 people are employed at Dietwise.

Dietwise is based in North Perth, Western Australia.

The NAICS codes for Dietwise are [621, 6213, 621399, 62, 62139].

The SIC codes for Dietwise are [80, 804].

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