Specialist IBS & Neurogastroenterology Dietitian

Aleks Jagiello

BSc (Hons), MSc, RD

Aleks Jagiello is a UK Registered Dietitian with over nine years of clinical experience specialising in irritable bowel syndrome (IBS), disorders of gut–brain interaction (DGBIs) and digestive health.

She holds a BSc (Hons) in Dietetics from the Medical University of Warsaw and an MSc in Clinical Nutrition from the University of Roehampton, London. Aleks has completed advanced training in the low FODMAP diet through Monash University and has a particular professional interest in neurogastroenterology, gastrointestinal physiology and evidence-based nutrition.

Her clinical approach combines personalised nutrition with an understanding of the complex relationship between the digestive system, nervous system and brain. By integrating the latest evidence in nutrition science and gastrointestinal physiology,
Aleks helps patients identify the underlying drivers of their symptoms and develop practical, sustainable strategies that support long-term digestive health and overall wellbeing.

Aleks provides specialist dietetic care for adults with digestive disorders through a compassionate, evidence-based and highly individualised approach. She is passionate about empowering patients with a deeper understanding of their digestive health, enabling them to make informed, sustainable changes that improve both symptoms and quality of life.

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Aleks Jagiello Credentials

  • Irritable bowel syndrome (IBS)
  • Disorders of gut–brain interaction (DGBIs)
  • Environmental & Nutritional Medicine
  • Neurogastroenterology
  • Gut–brain axis
  • Gastrointestinal physiology and digestive function
  • Bloating, abdominal pain and altered bowel habits
  • Low FODMAP diet and dietary reintroduction
  • Gut microbiota and nutrition
  • Healthy ageing and longevity through nutrition
  • Health and Care Professions Council (HCPC) Registered Dietitian
  • British Dietetic Association (BDA)
  • British Dietetic Association Gastroenterology Specialist Group member
  • British Dietetic Association Mental Health Specialist Group member

https://www.linkedin.com/in/aleksandra-jagiello/

  • “Perimenopause had been overwhelming, but Ms. Natalia approached everything in a structured and reassuring way. She reviewed my blood work thoroughly and helped me understand my options without pressure. The personalised plan has made me feel more in control.”
  • “I felt genuinely listened to during my consultation. Ms. Natalia took the time to explore my symptoms in detail and explained how my hormones, nutrition and lifestyle were interconnected. I left with a clear plan and a much better understanding of my health.”
  • “I booked an appointment to assess my cardiometabolic risk factors, and I was impressed by how comprehensive the evaluation was. Ms. Natalia explained my results clearly and outlined practical steps to improve my long-term heart and metabolic health.”