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Flexible Dieting & Eating Disorders


By Columnist Eleni Psillakis – Eating Disorder Educator: 

Sharing a Meal
Photo Credit: Eleni Psillakis – Sharing a Meal

Recovery from an eating disorder or disordered eating involves so much more than just addressing diet. They are such complex issues often involving comorbid conditions such as anxiety, depression, PTSD, OCD and substance abuse. At the centre of any eating disorder is a person who is trying to feel some sense of value. Adherence to rigid behaviours and rules around diet, exercise and other compensatory means,  gives this sense of value.

To change these behaviours creates much fear and anxiety for the person as to do so is a threat to their means of control, or means of making them feel ‘safe’, even though these are causing many health problems. Treatment cannot be as simple as eating more or less food. The eating behaviours and variety of compensatory behaviours serve a purpose for the individual at that time.  These behaviours include restricted eating, purging, excessive exercise and/or substance abuse. This may be to control a range of emotions and thoughts that reflect low self-worth.

Years of yo-yo dieting, or restricting calories or certain food groups, followed by binging and excessive exercise has left not only their bodies in total confusion but also their minds. Many people restrict calories and/or food groups and exercise excessively yet continue to put on unhealthy weight.  A study by Stewart et al showed that women who had rigid dietary behaviours had more anxiety, mood disorders, eating disorder symptoms and a higher BMI than those who used flexible dieting strategies.1

Ridgid Eating Rules
Photo Credit: Eleni Pskillakis – Moving Away From Rigid Eating Rules

From Rigid Diet ‘Rules’ to Flexible Dieting

Flexible dieting is based on the following beliefs:

  • There are no miracle weight loss foods
  • Calculating caloric needs based on total daily energy expenditure and tracking daily levels of calculated macronutrients to fit those needs.
  • There are no ‘good’ or ‘bad’ foods, although wholesome, nutrient dense foods should be the focus to meet vitamin and mineral and energy requirements.
  • If it ‘fits your macros’ then it can be included in your meal plan

Flexible dieting is becoming popular and has many benefits including:

  • Gaining nutrients from a variety of foods across all food groups (no foods are off limits)
  • Educating on caloric needs
  • Education on portion size
  • Reducing risk of binging

For someone that has restricted their caloric intake and/or had episodes of binge eating, flexible dieting may offer both an appropriate guide to portion sizes and allow choice of foods. However, there are also some risks and considerations to be addressed.

Tracking of Calories and Macronutrients

As a person who suffered from anorexia, I knew what it was to count calories in and calories out. I thought of nothing else as keeping the number on the scale low or dropping meant to me that I had control over emotions I did not know how to deal with. Flexible dieting initially involves the tracking macronutrients and weighing of foods, with the ultimate aim of intuitive or mindful eating. For those with a history of an eating disorder with severe calorie restrictions and /or binges, this can seem like an extension of behaviours they are trying to break free from. Despite the idea of flexible dieting having less rigidity than many fad diets, consuming more than the allocated macro targets can cause more harm than good for those who have lived with high anxiety of tracking calories and restricting or eliminating food groups, possibly making the problem worse rather than better.

Introducing Once Restricted Foods

Including all foods may be helpful yet extremely frightening for some. To allow yourself permission to eat ‘as long as it fits your macros’ creates anxiety in people that have once had eliminated or labelled as ‘bad’, as they may previously have binged on these. The idea of what is healthy and unhealthy food is related to what makes a person feel good about themselves. There is an emotional attachment rather than food serving the purpose of fuelling and nourishing the body. For example, if someone has restricted carbohydrates or dairy from their diet, without a medical reason, there is great fear around including these foods.

Food: Enemy to Fuel

Rigid rules of restriction, eating only certain food groups, only certain types of fruit or vegetables, times to eat and eating when no one is watching give a sense of control to someone with an eating disorder. The daily battle is in actually wanting to eat what is eliminated, yet feeling shame for wanting and totally beating one’s self up if it is actually eaten. When this happens, some people binge, losing the ‘control’ they tried so hard to maintain and they feel like a failure and worthless. So the cycle is strengthened with compensatory behaviours becoming the means of regaining a sense of control and worth. Others with low self-worth may have no compensatory behaviours, and develop binge eating disorder. The idea of flexible dieting aims to help these binges by giving the freedom to include foods which have been seen as ‘bad’ or ‘dirty’.

Ready & Trusting to Change Unhealthy Mindsets

Even though I physically recovered, my early years in the fitness industry provided an excuse for excessive exercise. I restricted certain food groups and even though I had less ‘rules’ and the number on the scale had increased, I still had low self-worth. Despite gradually eating more and being less rigid with rules around dieting, I still exercised excessively as a means to compensate and felt extremely guilty if I rested. I would not feel I was worthy unless I was on the move.

Negative, unhealthy thinking about yourself will not give rise to changing unhealthy habits. I believe that behavioural change is difficult to achieve while negative thoughts about one’s self-exist. While there are many physical health complications that need to be addressed, a holistic approach to treatment is necessary. A person needs to start loving who they are, have self-compassion, and self-acceptance.

Change in unhealthy eating and exercise behaviours requires that a person starts to change their thoughts and beliefs to include that the following are healthy:

  • My worth as a person is not based on what I eat or how much I exercise
  • My worth as a person is not based on my body weight and shape
  • Eating a variety of foods across all food groups (grains, cereals, dairy, meat produce, fruit and vegetables)
  • Eating a variety of foods across all macro nutrients
  • Have a fluctuating appetite
  • Enjoy all food
  • Enjoy and eat food in social situations
  • Identify signals of fullness and hunger
  • Eat mindfully
  • Eat adequate amounts for biological existence
  • Be relaxed about eating
  • Be flexible about eating
  • Eat to support our physical, mental, social and emotional well-being and development
  • Eat regularly
  • Eat snacks
  • Cope with various emotional states without attachment to food
  • Eat culturally appropriate foods for particular occasions
  • Rest
  • Move in a variety of ways
  • Exercise at a variety of intensities
  • Exercise to support mental, emotional, physical and social well-being.
  • Exercise within recommended physical activity guidelines
  • Exercise for performance
  • Exercise for enjoyment
  • Exercise with supported nutrition to promote adequate recovery

Having the support of a team including a psychologist, a dietician or registered nutrition nutritionist, GP and a support group who all understand eating disorders is extremely helpful. It takes trust and courage to instigate changes in thought and behaviour patterns. Flexible dieting, with the aim of mindful, intuitive eating may be helpful if all these things are considered at the same time.


1.Stewart, Tiffany M., Donald A. Williamson, and Marney A. White. “Rigid vs. flexible dieting: association with eating disorder symptoms in nonobese women.” Appetite 38.1 (2002): 39-44.


Workshops & Events

Identifying & Managing Eating Disorders in the Fitness Industry

Eleni PromotRegister now

Mental Health First Aid Australia

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As an accredited Mental Health First Aid Instructor, Eleni recommends gaining the qualification yourself. Attain a certificate in Mental Health First Aid, by registering below. This qualification enables you to support people in a time of mental illness and crisis until an appropriate professional arrives.

Register here for course held at Dee Why Surf Club





Fundraiser during Mental Health Week at DEE WHY RSL Club October 14, 2017

Real conversations with the following speakers sharing their experience with mental illness  and suicide survival:

  • Ex NRL and Boxing Champion Joe Williams
  • Eleni Psillakis
  • Bradley Spillane
  • Video celebrating the life of surf champion Tyson Williams

Book Tickets here:


About Our Eating Disorder News and Review Columnist – Eleni Psillakis


Combining over 27-years experience in the fitness industry, education and a lived experience, Eleni Psillakis is raising awareness of eating disorders as serious mental illnesses. In her time as a group fitness instructor, personal trainer, secondary and tertiary educator, Eleni wasn’t aware of the fine-line that crossed from healthy to unhealthy diet and exercise habits.

How Eleni Used Resistance Training

Using resistance training to gain weight to her 39kg frame at age 19, Eleni physically recovered and went on to compete in women’s bodybuilding. However the underlying emotional issues and thought patterns resurfaced 25-years later when her marriage broke down and a diagnosis of clinical depression resulted. Antidepressants and 8-years of psychological counselling, assisted with unlearning of negative thought processes that Eleni had of herself for most of her life. These were nothing to do with body image, but self-worth.

Resistance training again helped the process of stopping her thoughts racing during this time of depression and she stepped back onto the competition stage gaining a top 3 place in her division for each of the 5 competitions since. It was the psychological help that has made the difference this time around.

An Insight to Anorexia and Other Eating Disorders for Fitness Professionals”, a seminar that Eleni has written, has been approved by Fitness Australia for continuing education.

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Disclaimer: The information published in this column are based on the author’s own professional and personal knowledge, and opinion. This information is not a substitute for professional medical advice, diagnosis or treatment of any manner. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding any medical condition and consult a qualified medical professional before beginning any nutritional program or exercise program. Never disregard professional medical advice or delay in seeking it because of something you have read on InShape News.

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