The DEx Study

This study is currently not recruiting participants.

This trial will investigate the effects of vitamin D in combination with exercise versus a placebo on bone, muscle and cardiovascular health.

Benefits to you:

  • A personalised exercise program with experienced trainers
  • A health check, including:
  • Blood sugar levels
  • Vitamin D levels
  • Whole body composition DXA scan
  • All results are given to you at the end of each assessment and forwarded to your doctor
  • Travel costs reimbursed
  • Breakfast provided at appointments

Plus an opportunity to meet new people and contribute to important research at Monash University!


  • 3 x 3 hour appointments at MHTP Translational Research Facility, involving:
    • Blood tests
    • Questionnaires
    • Breakfast
    • Physical function testing
    • Bone and muscle Imaging
    • Cardiovascular health assessment
  • 12 weeks of oral vitamin D or placebo, taken once a day
  • 12 weeks of exercise intervention
    • 3 x 75-minute exercise sessions per week
    • 1 in clinic with us, 2 at home (instruction manual with photo demonstrations provided)

You may be eligible if you are:

  • Aged 50-80 years
  • Have a BMI of 25-40
  • Have low vitamin D levels (we will check this for you)
  • Able to walk 400m unassisted

For further enquiries please contact