PROBLEM TO BE SOLVED: To increase credibility on a product to a consumer, and to allow the consumer to select the product at ease.SOLUTION: On a mail-order site, together with images A1-A3 of food products being products for sale, images 11-19 such as soils etc. involved in food product production/cultivated alternative food products in the same condition/DNA of alternative food products/powder of alternative food products/processed products of alternative food products/powder processed products of alternative food products/alternative integrally grown materials being integrally grown with food products and alternative food products/attachments of seed etc., are advertized, and attachments selected by a consumer is provided at time of sending a food product together with a food product.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】商品に対する消費者の信用度を増大させると共に、消費者が安心して商品を選択できるようにする。【解決手段】通販サイトに、販売商品である食品の画像A1~A3と共に、食品の生産に関与した土壌等/同一条件で育成した代替食品/代替食品のDNA/代替食品の粉末/代替食品の加工品/代替食品の粉末加工品/食品や代替食品と一体して成長した代替一体化成長物/種子等の付属物の画像11~19を掲載し、食品の発送時に、食品と共に消費者が選択した付属物を提供する。【選択図】図1