Severe Irritability in Teens Can be Reduced by Daily Doses of Vitamins and Minerals

This finding comes from the ‘Balancing Emotions of Adolescents with Micronutrients’ (BEAM) trial, a double-blind, placebo-controlled study involving 132 unmedicated teenagers aged 12-17 with moderate to severe irritability. Participants took either micronutrients or an active placebo for eight weeks while receiving monthly online monitoring by a clinical psychologist. The micronutrient group performed significantly better on several measures, including irritability, emotional reactivity, and overall functioning. The strongest effects were seen in teenagers with disruptive mood dysregulation disorder, where 64 percent responded to the micronutrients. Improvements were also reported in behavior, stress levels, and quality of life. Suicidal thoughts and self-harm declined in the micronutrient and placebo groups.

The study also found that socioeconomic background influenced outcomes, with teenagers from lower-income households showing stronger responses to micronutrient treatment. Researchers suggest this may reflect higher rates of nutritional deficiencies and stress in disadvantaged populations. Because the intervention is relatively low-cost and can be delivered remotely, the authors argue it could offer a scalable way to improve adolescent mental health and reduce inequalities in care. The findings also raise the possibility that some psychiatric symptoms may partly reflect underlying nutritional vulnerabilities, highlighting the importance of diet and micronutrient status in mental health.

To read how higher vitamin D intake in infancy is linked to a lower risk of mental health problems at school age, see this article on our website.