Possible Effects of the Dietary Supplement Magnesium Compared to Placebo

The goal of this clinical trial was to investigate possible outcomes of the nutritional supplement magnesium compared to placebo in healthy, working adults. The main questions it aimed to answer were: * Are there differences in ratings of health, stress, well-being and work environment indicators between individuals intaking 375 mg magnesium (daily for 3 months) compared to placebo? * Are there differences in hearing, measured with hearing tests between those receiving 375 mg magnesium compared to placebo? Participants were asked to ingest 375 mg magnesium or placebo daily for 3 months. Researchers compared the group ingesting magnesium with the group ingesting placebo pills to see if there were any differences in for example self-rated health, recovery, wellbeing, etc.