Third Sister

Dietitians in London, Greater London, SW6

Category

Nutrition & Weight Management / Dietitians

Services

  • PCOS Coaching
  • SIBO and Bacterial Overgrowth Nutrition
  • Endometriosis
  • Endometriosis Nutrition (Dietitian)
  • Family and Systemic Therapy
  • Burning Mouth Syndrome Management
  • Functional Medicine Consultation
  • Naturopathy Consultation

Clementine Vaughan, MSc Nutr, PG Dip RD, is a registered dietitian in London, specializing in personalized nutrition plans for women's health.

About Third Sister

Third Sister is a registered dietitian practice specialising in women's health and nutrition. The team helps women take control of their health through science-led dietetics, creating personalised diet plans tailored to individual needs for long-term results.

Specialisations include hormonal health conditions such as PCOS, endometriosis, and menopause nutrition support. The practice is certified in Management of Menopause by the British Menopause Society and holds Level 2 Behavioural Change Training, enabling a holistic approach to sustainable dietary change. Additional areas of focus include gut health concerns like SIBO and bacterial overgrowth, weight management support, postpartum nutrition, and family nutrition planning.

Third Sister's approach is enhanced by functional medicine, naturopathy, and behavioural therapy, alongside modern medical evidence. Services include functional medicine and naturopathy consultations, family and systemic therapy, and specialist support for burning mouth syndrome management. Initial consultations offer an in-depth health assessment, with follow-up sessions available to support ongoing progress.

Consultations are offered both online and in-person, making support accessible regardless of location. The practice is regulated by the Health & Care Professions Council (HCPC) as a registered dietitian since 2017 and holds membership with the British Dietetic Association.

Third Sister is ideal for women seeking evidence-based nutrition support for specific health conditions or life stages, backed by professional credentials and a commitment to personalised, sustainable change.

Contact

View Third Sister on EmberST8