Rx Vitamins products will be shipped via FedEx or USPS within 24 hours of receipt of your order, with no back orders and no short shipments unless noted. The articles comprising each shipment by Rx Vitamins to or on the order of the purchaser are hereby guaranteed as of the date of shipment or delivery to be, on such date, not adulterated or misbranded within the meaning of the Federal Food, Drug and Cosmetic Act and not an article which may not, under the provision of sections 404 and 505 of the Act, be introduced into Interstate Commerce.