Keeneland has cataloged 1,317 horses, including five horses in the latest round of supplements, for the 68th annual Horses of All Ages Sale, which starts Jan. 13 at 10 a.m. ET. The auction offers ...

To help you make informed choices, I tested 17 vitamin D supplements and spoke with three registered dietitians about what to look for in a quality product. Here are the best vitamin D supplements ...