Discount Retail Chain ALDI U.S. is sharpening its edge in private label as the category continues to soar in popularity. The discount grocer has announced it is expanding its ingredient standards by removing an additional 44 ingredients from its own food, vitamin and supplement products, including select artificial preservatives, colours, flavours and sweeteners. More than a decade ago, ALDI removed 13 ingredients and became one of the first national grocers to remove certif