A new study has raised concerns about declining nutrient levels in commonly consumed foods, reporting that wheat, apples, carrots and other crops contain significantly lower concentrations of certain essential nutrients than they did in the 1960s.
According to research by Deep Science Ventures (DSV), declining soil quality may be contributing to reduced nutrient concentrations in fruits, vegetables and grains. The findings suggest that people may need to consume larger quantities of some foods to obtain the same amounts of minerals as previous generations.
Essential Minerals Show Significant Declines
Researchers reported that concentrations of several important nutrients in foods such as carrots, apples and peas, as well as grains and bread, have declined by approximately 20% to 50% in some cases.
The study highlighted minerals including potassium, magnesium and copper, which play important roles in maintaining normal bodily functions.
According to the researchers, people may now need to eat twice as much of certain fruits and vegetables as they did 60 years ago to obtain comparable amounts of these minerals.
The findings have renewed concerns about the relationship between soil health, agricultural practices and the nutritional quality of food.
Soil Health and Food Security
Soil quality is important for crop growth and nutrient uptake. Changes in soil composition, agricultural practices, crop varieties and growing conditions can all influence the nutritional content of harvested foods.
The study highlights the importance of examining how agricultural production affects not only crop yields but also the nutrients people obtain from their diets.
Concerns About Nutritional Deficiencies
Researchers also warned that declining nutrient concentrations could compound existing nutritional challenges. The report raised concerns about people in the United Kingdom who may be at risk of inadequate vitamin and mineral intake, particularly as weight-loss medications such as Ozempic and Mounjaro become more widely used.
However, the reported nutrient declines vary by food and nutrient, and the findings do not mean that every crop has lost half its nutritional value. Further verification of the study’s methods and findings would be needed to establish the scale of the changes across different foods and regions.
The research underscores the importance of maintaining healthy soils, monitoring food quality and ensuring that people have access to balanced, nutrient-rich diets.