Isabelle Lyrestam

Isabelle is a passionate Clinical Nutritionist dedicated to empowering her patients to take an active role in their health and wellbeing. She believes that education is a key part of the healing process, helping patients make informed choices that support long-term, sustainable health.

Inspired by her own journey of overcoming years of low immunity and hormonal imbalances, Isabelle understands firsthand the positive impact nutrition can have on overall wellbeing. This experience sparked her passion for helping others discover the power of food as medicine and the role that preventative healthcare can play in achieving optimal health.

Isabelle takes a personalised and compassionate approach to care, working closely with each patient to understand their unique health goals and challenges. She is passionate about creating realistic, evidence-based nutrition strategies that fit seamlessly into everyday life.

As a mother herself, Isabelle intimately understands the overwhelm of information surrounding what to feed our children. She is passionately committed to empowering other time-poor parents with practical guidance on providing a balanced diet for their children. With a love for sourcing local, high-quality produce and supplies, Isabelle serves as a valuable resource for discerning parents seeking advice on where to shop for nutritious ingredients.

Areas of Focus

• Gut health and digestive complaints, including bloating, IBS, SIBO, constipation, diarrhoea and the gut-brain connection
• Metabolic syndrome, including cardiovascular disease, fatty liver disease and diabetes
• Prenatal and postnatal support
• Meal planning, healthy eating, recipe support and shopping lists
• Addressing nutrient deficiencies and food intolerances
• Weaning and introducing solids for infants

Qualifications & Training

• Advanced Diploma of Clinical Nutrition
• Member, Australian Traditional-Medicine Society (ATMS)
• Microba Microbiome Practitioner Training
• Interclinical Laboratories HTMA Practitioner Training

Functional Testing & Modalities

• Gut Microbiome and SIBO Testing, including breath and stool analysis
• Hair Tissue Mineral Analysis (HTMA)
• DUTCH Hormone Testing, including comprehensive sex hormone and adrenal profiling
• Blood Testing to assess nutrient deficiencies and a broad range of health markers

What Patients Can Expect

Patients working with Isabelle can expect to feel supported, heard and empowered throughout their health journey. She is known for her warm and approachable nature, combined with a practical and realistic approach to improving health and wellbeing.

Passionate about evidence-based practice, Isabelle enjoys translating the latest nutrition research into clear, actionable strategies that patients can confidently implement in their everyday lives. Her goal is to help patients achieve meaningful, lasting results while feeling informed and supported every step of the way.

Beyond the Clinic

Outside of the clinic, Isabelle enjoys spending time in nature with her two young daughters. Whether it’s a morning at the beach, exploring Perth’s beautiful parks, or enjoying time outdoors with family and friends, she values the restorative benefits of connecting with nature.

A regular visitor to local farmers’ markets, Isabelle loves sourcing fresh, seasonal produce and embraces a lifestyle that reflects her passion for health and wellbeing. In her spare time, she enjoys discovering new art exhibitions, catching up with friends and indulging in her favourite treat: a warm sticky chai.