Acidosis a Cause Devitalized foods. Many acid forming foods are constipating, which suggests that that acidosis is the principal cause of this condition. Such foods as meat, oysters, fish, white bread, soda crackers, macaroni, wafers, biscuits, buns, doughnuts, rolls, piecrust, lard, cake, cornstarch, refined sugar, glucose, business syrup, low-cost jams and jellies, candies, or in [...]