A recent study conducted in Switzerland found that higher protein consumption was associated with lower levels of depression symptoms in adolescent athletes.
While the study focused specifically on athletes, the findings can also be applied to the general population as adequate intake of macronutrients is important for overall health and well-being.
Importance of macronutrients in diet
The food we eat is made up of different components, including macronutrients.
Our cognitive functions, emotions, and mental health are all impacted by the levels of macro and micronutrients in our diet. According to studies, people who struggle with mental health issues frequently make bad eating decisions that result in inadequate diets.
Protein and its effect on depression symptoms
The study, conducted by the University of Basel's Markus Gerber and his colleagues, explored whether the consumption of specific macronutrients could predict the development of future depression symptoms in adolescent athletes.
Researchers recruited 97 athletes for the study and recorded their depression symptoms at baseline and after a 10-month period. Participants were also asked to record their nutritional intake during a three-day period.
Results showed that higher consumption of proteins was associated with lower levels of depressive symptoms in the second assessment. Consumption levels of different macronutrients were not linked to depression symptoms.
The study concluded that higher consumption of protein in adolescent athletes turned out to be a prospective predictor of lower depression symptoms.
Importance of adequate macronutrient intake
The study also discovered that despite the participants' high levels of physical activity, their total energy intake fell short of what the German, Austrian, and Swiss Society of Nutrition advised.
This highlights the importance of consuming adequate macronutrients to maintain overall health and well-being.
Limitations of the study
While the study sheds light on the relationship between protein consumption and depression symptoms, it also has limitations. Dietary intake was assessed at only one point and for three days, meaning that changes in diet quality over time could not be taken into account.
Additionally, the design of the study does not allow for any cause-and-effect conclusions to be drawn about how the studied factors were related.
The study adds to our understanding of the connections between nutrition and psychological variables, specifically the relationship between higher protein intake and a reduction in depression symptoms.
However, more research is needed to fully understand the relationship between diet and mental health.
The study, “Macronutrient intake as a prospective predictor of depressive symptom severity: An exploratory study with adolescent elite athletes”, was authored by Markus Gerber, Sarah Jakowski, Michael Kellmann, Robyn Cody, Basil Gygax, Sebastian Ludyga, Caspar Müller, Sven Ramseyer, and Johanna Beckmann.