The F-Plan diet is in alignment with mainstream nutritional advice in regard to consumption of fruits, vegetables and whole grains and research has continued to indicate the health benefits of eating high-fibre foods. However, due to its extreme emphasis on dietary fibre the F-Plan has often been listed as an example of a fad diet.Dzeguze, Kaspars. (1983). "A new wave of diets". Maclean's. Retrieved 28 January 2020.Landry, Maury. Diets for the daring, the dubious, the duped. State Times (June 28, 1983).Howard, Elliot J; Roth, Susan A. (1986). Health Risks. Body Press. p. 175Hegarty. Vincent. (1988). Decisions in Nutrition. Times Mirror/Mosby College Pub. p. 310 A criticism of the diet is that it can cause constipation and flatulence.
