Our Company. Plain Site Solutions is a Canadian company dedicated to producing unique products which simplify the improvement of health and quality of life for all ages of individuals, as well as families. Products are available through retail stores which carry the Plain Site Solutions product line, or via online ordering through the web site. Retailers may register to access volume pricing. Our Products. The Food Ruler is the first in a series of nutrition related products planned to help Canadians to incorporate the Canada Food Guide's serving recommendations and portion control awareness as a part of a healthier lifestyle. Products in the nutritional line are practical solutions designed to reduce difficult planning and guesswork when making food choices.