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You can make a change towards the lifestyle you desire.

Consider participating in a research study that may help you better manage your weight.

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About the SWITCH Study

The SWITCH Study is evaluating whether water or diet drinks (diet cola, diet lemonade, etc.) influence weight loss.

During the study you will be asked to consume either water or diet drinks while receiving nutritional advice and support.

We are interested in recruiting regular consumers of cold beverages. We encourage those who already drink diet beverages and those who do not have diet beverages in their diet. However, we are unable to include those who do not wish to consume sweeteners.


Am I eligible?

We are looking for volunteers who are motivated to participate in a weight management programme.

You may be eligible if you:

  • Are age 18 to 65 and are a non-smoker
  • Are overweight or obese with a Body Mass Index (BMI) of 27 to 35
  • Are willing to consume water or diet drinks for a 12 month period (and an optional further 12 months)
  • Have no major medical problems (heart trouble, diabetes, endocrine disease, or respiratory disease such as chronic bronchitis)
  • Have not been diagnosed, are not being treated for, and/or are not taking medication for psychiatric or psychological disorders (e.g. depression)
  • Are not taking any medication or supplements known to affect appetite or weight
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Calculate your BMI

Learn what your body mass index is by dividing your weight in kilogrammes by your height in metres squared.

Your BMI must be 27-35 to qualify for this study.


Why participate?

If you qualify and choose to take part, you will receive:

  • A free, structured weight management programme
  • Education about your overall health
  • Advice/feedback on food and exercise logs
  • Free water or diet drinks delivered to your home every two weeks during the study
  • Reimbursement for your time in taking part
Your participation is voluntary and you may choose to withdraw from the study at any time. All information you provide is completely confidential.


An Opportunity to make a change.

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For more information and details, please send us an e-mail.