Did you know? Posted on March 14, 2017 by Muscleman Simple carbohydrates turn into fat within 15 minutes and raise your blood sugar almost instantly. Complex carbohydrates can take about 2 to 3 hours before they are stored as fat. And they help keep your blood sugar level. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related