About Petra Hooyenga
Allied health clinically trained Nutritionist (CPN) | Nutritional Epidemiologist (MSc)
With over a decade of clinical expertise, Petra is a respected and caring nutritionist who specialises in a food first approach for health and recovery. Her warm, collaborative style emphasises practical tools, measurable progress, and client empowerment, fostering person-centred, confident and self-reliant healthy eating and nutrition habits.
Petra is all about using food as medicine first, and added nutritional therapeutics where beneficial for recovery and health. This passion was ignited by supporting a family member’s health challenges, including a rare genetic condition and Autism, which highlighted the powerful role of epigenetics and daily food choices in influencing health outcomes.
Petra supports clients with nutrition for:
- Preventative health optimisation and longevity
- Weight management and energy optimisation
- Metabolic health and insulin resistance
- Gut health and digestive concerns
- Immune support and chronic fatigue
- Hormonal imbalances and PCOS
- Fertility, preconception and pregnancy
- Menopause and perimenopause
You will find Petra to be a genuine, caring and compassionate partner in health who provides clarity and direction. Outside the clinic, Petra enjoys time with family, friends and her dog Byron. She loves the outdoors and gets up at the crack of dawn to go paddling at Pittwater.
Petra is a degree qualified clinical nutritionist and MSc Nutritional Epidemiology & Public Health. She has worked in private practice in Sydney and The Netherlands since 2013 and as Research Affiliate at the Charles Perkins Centre’s Healthy Longevity Lab, Faculty of Medicine and Health, University of Sydney in 2022/2023. Petra is a member of the Australian Association of Registered and Practicing Nutritionists (AARPN) Registered healthcare provider HPI-I 8003 6108 3339 2216.
Petra Hooyenga
Clinical Nutritionist (CPN) | Nutritional Epidemiologist (MSc)
Private practice since 2013
Research Affiliate – Healthy Longevity lab – Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney 2022/ 2023.
Member of Australian Association of Registered and Practicing Nutritionists (AARPN)
Registered healthcare provider HPI-I 8003 6108 3339 2216
OUR Approach
The focus is on health – person-centred nutritional health support.
You get what you measure – test, measure and evaluate results.
Upstream and downstream – caring for the individual cell and person.
Personal Health Leadership in action – empower with practical strategies.
Investing in health – for lifetime benefits and rewards.