PICKERING, ON, July 10 /CNW/ - Sergio Martines, President and CEO of NSP Pharma Corp. ("NSP") (TSXV: NSP) says that, Naturale Science Pharma Inc. ("NSPI"), NSP's wholly owned subsidiary has received notice from three clients, that they are claiming returns of an approximate value of $1.6 M, which figures include co-op advertising and back charges. The returned products have not yet been received in Pickering and the accounting is subject to review.