Meet the leading UK nutritionists we work with
Irina Pollastri
Weight management
Gut health
Hormonal health
Relationship with food
With over six years of clinical experience, Irina supports individuals with gut health challenges and those who struggle with their relationship with food — including binge eating, emotional eating, and restrictive patterns.
Her work recognises the deep connection between gut health, hormonal balance, emotional wellbeing, and mental health, addressing both the physical and emotional aspects of health to achieve meaningful, lasting change.
Ruth Jamieson
Women’s health
Weight & metabolic health
Longevity
Menopause
With over 10 years of clinical experience in nutrition and lifestyle medicine, Ruth specialises in women’s health, metabolic function, and longevity. She regularly supports clients navigating perimenopause, menopause, thyroid imbalances, endometriosis, PMS/PMDD, diabetes, weight concerns, autoimmunity, cardiovascular risk, digestive issues, and long-term health optimisation.
Louise Goulding
Weight management
Skin health
IBS
Eating disorders
Louise is a Registered Nutritional Therapist and Personal Trainer with over five years of clinical experience. She works with patients managing chronic skin conditions such as acne, rosacea, eczema and psoriasis, as well as those dealing with IBS and hormone-related concerns, including PMS, perimenopause, fatigue and weight loss.
She is additionally qualified to support individuals with a current or past history of eating disorders, and holds certification in nutrigenomics, enabling her to incorporate advanced genetic testing into patient care.
Janine Thornton
Weight management
Fatigue
Histamine Intolerance
Autoimmunity
With over 5 years of clinical nutrition experience, Janine specialises in chronic complex
cases relating to the immune system with a focus on allergies and autoimmunity, chronic
fatigue/ ME and Long Covid and nervous system regulation. Janine has supported
patients with autoimmune conditions ranging from rheumatoid arthritis and MS to
autoimmune thyroiditis and lupus. She also focuses on histamine intolerance/ Mast Cell
Activation Syndrome, eczema, asthma, POTS and fibromyalgia.
Michelle Willet
Weight management
Stress & adrenal fatigue
Emotional eating
With over 5 years of Clinical Nutrition practice & 17 yrs of Wellness Coaching, Michelle
specialises in blood sugar balance, hormonal and adrenal health, and the stress
response. She supports clients struggling with energy crashes, anxiety, emotional
eating, and metabolic dysregulation - helping them rebuild balance, calm, and
confidence around food and body.
Juliette Martin
Weight management
Cardiometabolic health
IBS
Reflux
With over 6 years of clinical and nutritional practice, Juliette Martin specialises in cardiometabolic, digestive and brain health. She has supported patients with issues such as insulin resistance, high cholesterol, weight management, reflux, bloating, IBS, brain fog and anxiety.
Claire Johnson
Weight management
PCOS & Fertility
Complex obesity
Gut health
With over 5 years of clinical and nutritional practice, Claire specialises in women's health, hormone health, metabolic health and weight management.
Claire supports patients with a variety of health needs and goals, including Polycystic Ovarian Syndrome (PCOS) management, fertility optimisation, menstrual cycle health, weight management and complex obesity management. Claire also currently works at Guys & St Thomas' NHS Trust in weight management and complex obesity services, specifically working with patients using weight loss medications or awaiting bariatric surgery.
Caroline Roberts
Weight management
Diabetes
Cholesterol
Fatty liver
With over 2 years of clinical and nutritional practice, I specialise in metabolic health, including weight management, pre and type 2 diabetes, cholesterol and blood pressure concerns, and fatty liver disease.
I support patients with symptoms of metabolic dysfunction that include cravings, fatigue, mood swings, unwanted weight gain, and digestive complaints.
I take a science-led, personalised approach to nutrition and lifestyle medicine, combining advanced diagnostics, evidence-based supplementation, and functional medicine strategies to create tailored programmes that deliver measurable results.
Holly Rothschild
Weight management
Diabetes
PCOS
High blood pressure
With almost 5 years of clinical and nutritional practice, Holly specialises in cardio-metabolic health
They have supported clients with a range of conditions, including pre- and type 2 diabetes, high
blood pressure, high cholesterol, polycystic ovarian syndrome and non alcoholic fatty liver disease
as well as symptoms of metabolic imbalance, including stubborn weight gain, cravings, brain fog
and difficulty concentrating, persistent tiredness and low energy, and digestive issues including
reflux.
Minna Holi
Weight management
Perimenopause
Sleep
Food freedom
With over six years of clinical experience in nutritional therapy, Minna specialises in improving perimenopausal women’s hormonal health with optimised gut and metabolic health, resilient nervous system, stable mood, and deeper sleep. As a qualified coach, she also works with women to initiate changes in values and beliefs that guide healthy habits.
Tina Hancocks
Autoimmunity
Prediabetes/ diabetes
Weight management
Digestive issues
With over four years of nutrition expertise, Tina focuses on health optimisation for both performance sport and autoimmune / immune-related conditions. Her practice specialises in helping individuals achieve metabolic balance, renewed energy, lowered inflammation and sustainable weight loss, through science-led nutrition, genetics and functional testing.
Tina has supported elite athletes including Team GB and international rugby players seeking performance and recovery enhancement.