Living with ongoing symptoms can be frustrating, exhausting, and confusing – especially when you’ve tried multiple approaches without clear answers. At NAR LONDON, Esra Gulsen offers a calm, science-led functional and integrative medicine approach designed to uncover why symptoms are happening and how to restore balance for long-term health.
Esra works with individuals seeking more than symptom management – supporting those who want clarity, personalised care, and a deeper understanding of their body.
Book your personalised consultation here below and take the first step toward feeling well again.
Esra Gulsen is a functional and integrative medicine practitioner at NAR LONDON, known for her thoughtful, analytical, and compassionate approach to care. She works closely with clients who feel unheard, stuck, or overwhelmed by persistent symptoms, helping them identify root causes and build realistic, sustainable healing plans.
Esra believes symptoms are meaningful signals – not problems to suppress. By listening carefully to the body and combining modern science with integrative health principles, she empowers clients to take informed control of their health journey.
Integrative and functional medicine is designed for people who want answers—not guesswork. Rather than focusing on isolated symptoms, this approach looks at how the body’s systems work together and what may be driving imbalance.
Your care considers:
This whole-person perspective allows for truly personalised healthcare, tailored to your unique biology and life circumstances.
Functional medicine is a cornerstone of Esra’s work. It focuses on how and why illness develops – at the cellular and systems level – so the body’s natural healing capacity can be supported.
Instead of masking symptoms, functional medicine aims to:
Each plan is personalised and evolves as your health improves.
Depending on your individual needs, your personalised plan may draw from multiple integrative disciplines, including:
Not every modality is used for every person – your plan is designed specifically for you.

Working with a functional medicine practitioner in London may be right for you if:
Common areas of support include hormone imbalances, digestive issues, chronic fatigue, stress and burnout, metabolic concerns, and inflammatory conditions.
Your journey begins with an in-depth consultation exploring your health history, current symptoms, lifestyle, and goals.
You’ll receive a tailored 12–16 week protocol that may include:
Healing is a process. Follow-ups allow for refinement, education, and progress tracking as your body responds.
When helpful, advanced functional lab testing can provide deeper insight into underlying imbalances. We partner with leading laboratories to offer testing such as:
Testing is optional and always used strategically to enhance – not complicate – your care.
Your body has an incredible capacity to heal when given the right support. If you’re ready to move beyond symptom management and work with a trusted functional medicine practitioner in London, Esra Gulsen at NAR LONDON offers a grounded, personalised path toward lasting wellbeing.
Your journey starts with one clear, informed step.
60-minute consultation | £495
Available worldwide via video call or in-clinic in London,UK.
Your initial consultation includes:
This session is designed to give you clarity, direction, and a structured path forward.
Book Initial Consultation
45-minute consultation | £295
Follow-ups are recommended 12–16 weeks after your initial session and focus on:
These sessions ensure your plan continues to align with your body and goals.
Book Follow-Up Consultation