|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||yesterday||63.22||$38.79||You save $24.43|
|Amazon US||10 days ago||40.93||$38.79||You save $2.14|
Adam Campbell is the fitness director for Women's Health and a National Magazine Award-winning writer. He holds a master's degree in exercise physiology and is a NSCA-certified strength and conditioning coach. Campbell has appeared on Good Morning America, The Early Show, and VH-1.