|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||yesterday||51.36||$27.95||You save $23.41|
|Amazon US||yesterday||40.78||$27.95||You save $12.83|
|Book Depository US||3 days ago||30.83||$27.95||You save $2.88|
Michael A. Smith is the senior health scientist and online personality for Life Extension, the world's leading organisation dedicated to extending the healthy human life span. He is an author and blogger, creates and conducts webinars and appears in informational health and wellness videos.