Study: Healthier eating means higher grocery bill

But the study found introducing more potassium in a diet is likely to add $380 per year to the average consumer’s food costs, said lead researcher Pablo Monsivais, an assistant professor in the Department of Epidemiology and the School of Public Health at the University of Washington.

“Almost 15 percent of households in America say they don’t have enough money to eat the way they want to eat,” she said. Recent estimates show 49 million Americans make food decisions based on cost, she added.