A Virginia woman pleaded guilty this week to federal charges for selling black market prescription drugs and other drugs not approved by the U.S. Food and Drug Administration, including injectables similar to Botox and popular weight-loss drugs. Melissa Bandy, 54, pleaded guilty to charges of receiving misbranded drugs in interstate commerce and delivering and proffering for delivery the misbranded drugs for pay, the U.S. Attorney’s Office for the Western District of Virginia announced Friday. Bandy, who is not a licensed healthcare provider, used black-market websites to access prescription d…