Functional Medicine Dietitian · Izmir and online
From gut to cell, whole-body wellbeing.
Hi, I'm Dyt. Aleyna Sahillioğlu. With a functional medicine approach, I prepare personal nutrition plans that put gut health first. We can meet at my clinic in Çiğli or online.

Your own protocol
With gut health first
- Looking at root causesWe look beyond symptoms, at the causes in your eating and lifestyle.
- Gut firstMy priority throughout is supporting your gut health.
- A protocol for youA plan built on your test results, your habits and your goal.
- In person and onlineMeet at my clinic in Çiğli or online from wherever you are.
Nutrition counseling
Not one list for everyone, but a plan made for you.
I work in four areas, with a functional medicine approach. Pick an area and read its guide, or let's find what fits you together.
- Gut healthDigestion, IBS, food sensitivitiesIrritable bowel syndrome (IBS) and low FODMAPFood intolerance and elimination dietsNutrition in digestive diseasesRead the guide
- Metabolic balanceInsulin resistance, weight, heart healthInsulin resistance and metabolic syndromeHealthy weight managementNutrition for heart and blood vessel healthRead the guide
- Hormones and immunityPCOS, autoimmune conditionsNutrition in PCOSNutrition in autoimmune conditionsUsing supplements wiselyRead the guide
- Whole-body healthBalanced eating, a long and healthy lifeBuilding a healthy eating routineA long and healthy life (longevity)Nutrition in COPD and asthmaRead the guide
“From cellular health to whole-body wellbeing”
My approach
Nutrition that looks past symptoms, to root causes.
An approach that looks not only at the symptoms of a disease but at nutrition and lifestyle, to find its root causes.
- 01
Listening
In the first session we go through your eating routine, your complaints, your sleep and daily rhythm, and any test results you have.
- 02
Analysis
A detailed body composition analysis shows your starting point. Where needed, we plan assessments such as an intolerance test together.
- 03
Your own plan
We build a nutrition plan that looks at the causes behind the symptoms, puts gut health first and fits your daily life.
- 04
Follow-up
In follow-up sessions we update the plan to your needs. The goal is for healthy habits to become part of how you live.
How it works
Your own plan in three steps.
We go step by step and build a routine that suits your goal, together.
Book a session
Step 1Pick a time on Doktorsitesi or call. We can meet in person or online.
Getting to know you
Step 2In the first session I listen to you and we look at your eating routine and needs together.
Your own plan
Step 3We set your goals and your nutrition plan together and follow the process together.
Healthy living guide
Sourced answers to what you're wondering
- Gut healthIBS and the low FODMAP dietNutrition for irritable bowel syndrome (IBS): the steps of the low FODMAP diet, which foods are high in FODMAPs, and when to see a doctor.5 min read
- Gut healthFood intolerance and elimination dietThe difference between food allergy and food intolerance, the elimination and reintroduction approach, and the symptoms that need emergency help.4 min read
- Gut healthGut health and the microbiotaWhat is the gut microbiota, how do fiber, prebiotics and fermented foods affect it, and what is known about probiotic supplements?4 min read
- Metabolic balanceInsulin resistance and metabolic syndromeWhat are insulin resistance and metabolic syndrome, who is at higher risk, and how can changes to diet and lifestyle help?4 min read
- Metabolic balanceHealthy weight managementWhat do body mass index and waist circumference tell you, what is recommended for lasting weight management, and which diets can be risky for your health?4 min read
- Metabolic balanceHeart health and nutritionRisk factors for cardiovascular disease, advice on salt and fat, the Mediterranean-style diet and DASH, and the symptoms that need medical help right away.4 min read
FAQ
Frequently asked questions
No. Sessions are held in Turkish, in person in Çiğli or online. This English site is here to help you find your way around.
Yes. Besides in-person sessions at my clinic, I offer online diet and nutrition counseling.
Gut health, metabolic balance, hormones and immunity, and whole-body health: IBS and low FODMAP, food intolerance, insulin resistance, PCOS, autoimmune conditions, weight management and more. You'll find every topic on the Topics page, and the one that fits you in the Find your fit guide.
At Port Medikal, Ataşehir, 8211/8. Sk. No:23 Kat:1 Daire:1, Çiğli/İzmir. The address and directions are on the map on the Contact page.
Book online through my Doktorsitesi profile or call the appointment line (0850 433 38 11).
For current fees, please call the appointment line.
In the first session I listen to you and we look at your eating routine and needs together. Then we set your goals and your nutrition plan and follow the process together.

A plan made for you, together.
From gut health to metabolic balance, let's take the first step together.