Crop nutritional value declines as agricultural focus shifts to yield

A report by the think tank Deep Science Ventures warns that the nutritional value of staple crops, including wheat, apples, and carrots, has significantly declined compared to the 1960s. While modern agricultural practices have successfully increased yields—with wheat yields per hectare rising by 215 percent since the 1960s—the focus on caloric volume and tonnage has come at the expense of mineral concentration.

Researchers attribute this decline primarily to deteriorating soil quality, which prevents plants from absorbing essential nutrients like potassium, magnesium, and copper. Consequently, individuals may need to consume twice the amount of produce to achieve the same mineral intake as previous generations. This issue is particularly concerning in the context of the rising use of GLP-1 weight-loss medications, such as Ozempic and Mounjaro. Because these drugs suppress appetite and reduce food intake, the nutritional density of every bite becomes increasingly critical.

While the data is based on British agricultural statistics, experts suggest the findings are applicable across Europe due to similar farming technologies. In the United Kingdom, a model scenario suggests that by 2050, approximately five million working-age adults could face risks from insufficient nutrient intake.