Mike O’Sullivan


Mike O'Sullivan

Dietitian & Personal Trainer

  • Bachelor Degree Food Science & Technology
  • Bachelor Degree (Honours) Applied Biosciences
  • Masters Degree in Nutrition & Dietetics
  • Certificate III & IV in Fitness
  • Member of Dietitians Association of Australia
  • Member of Fitness Australia

Mike is an experienced Dietitian & Personal Trainer who is originally from Ireland now practicing in Thornbury.

He previously worked as a scientist with biotechnology & pharmaceutical companies, specializing in microbiology.

He always had a very strong interest in biology & chemistry and moved into the area of nutrition to assist those wanting to improve their health and lifestyle.

He still brings with him an analytical nature in trying to solve peoples’ health concerns but provides this in a relaxed manner.

For both his dietetic practice and his personal training services he uses his motivational characteristics to get the best out of his patients and exercise participants.

He has a passion for health and fitness and also likes to remain up-to-date with research in both nutrition and exercise sciences.

Particular areas of specialty are Weight Loss, Diabetes and Irritable Bowel Syndrome/Food In-tolerances.

Other areas of nutrition he works with are:

Malnutrition, Heart Disease, High Blood Pressure, High Cholesterol, Arthritis, PCOS, Metabolic Syndrome, Diverticulitis, Kidney Disease, Fatty Liver, Crohn’s Disease, Colitis, Coeliac Disease, Body Composition, Before/After Pregnancy.

Doctor in Thornbury are pleased to have Mike around now.

For More information please see:


"Please be aware of ringing the clinic if you have any symptoms of COVID 19 disease eg cough, fever, chills,sore throat, runny nose before arrival Due to supply issues we may not be able to take swabs now Skype/phone consultation may be available for certain groups. Please check with our receptionists"