NUTRITION AND WELLBEING FOR CHILDREN AND ADULTS
YOUR PATH TO GREATER HEALTH AND WELLBEING
Supporting health optimisation and complex health concerns through personalised, evidence-based functional nutrition and integrative wellbeing support grounded in primary research.
As a functional medicine-trained nutritionist, I focus on identifying the underlying drivers and patterns contributing to illness rather than viewing symptoms in isolation. My work is suitable for individuals with chronic, complex, or overlapping health concerns — particularly those who may still be searching for answers — as well as those seeking to optimise energy, resilience, performance, and long-term health.
My clinical focus is on restoring and optimising physiological function and resilience through in-depth case analysis, personalised nutrition and lifestyle interventions, and targeted functional testing where appropriate. This begins with a detailed diet and lifestyle assessment, followed by further investigation where indicated, which may include exploring biochemical pathways, immune and metabolic function, and relevant functional testing such as blood, urine, stool, and genetic analysis, as well as scientific research to identify underlying imbalances and contributing factors affecting health.
Based on these findings, I develop personalised strategies that are evidence-based and informed by current scientific research and clinical expertise. This can include nutritional therapy, lifestyle interventions, targeted supplementation from the natural world, and structured programmes such as Metabolic Balance®.
My interventions are designed to:
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promote long-term health through preventative, root-cause care
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activate natural healing processes
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restore balance across key physiological systems
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enhance cognitive, emotional, and physical function across all life stages
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assist in the management of chronic or complex conditions
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reduce inflammation and strengthen resilience
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improve and maintain optimal function
Each plan is carefully considered to create sustainable improvements in health and wellbeing, bringing clarity and direction so you can move forward with confidence.
WELLBEING SUPPORT FOR CHRONIC ILLNESS
Periods of change—whether marked by a new diagnosis, treatment, a serious health condition, or a desire to improve overall wellbeing—call for thoughtful and compassionate support. In addition to my nutrition offering, I provide additional wellbeing services to help you navigate health-related challenges with greater ease and resilience.


KATHLEEN KARIUS
Integrative Functional Nutrition Therapist
and Wellbeing Practitioner
for Children and Adults
BA, MFA, DipION, Metabolic Balance®
NUTRITION QUALIFICATIONS
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Nutritional Therapist (DipION), Institute for Optimum Nutrition, UK
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AFMCP® – Advanced Functional Medicine in Clinical Practice Certification, The Institute for Functional Medicine, USA
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Certified Metabolic Balance® Practitioner
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Autoimmune Academy Clinical Training Programme for Complex Cases, 2025–2026 (IP)
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Postgraduate Training in Naturopathy (IP)
PROFESSIONAL MEMBERSHIPS
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British Association for Nutrition and Lifestyle Medicine (BANT)
WELLBEING CERTIFICATIONS
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Morita Therapy Practitioner
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Living Fully with Illness Facilitator
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Further certifications in complementary modalities (Yoga RYT 200, Reiki, The Work® of Byron Katie) supporting chronic illness and whole-person health.




