Dietary supplements popularity – rankings of Goole searches

This study concerns interest in dietary supplements-related searches among Google users. The authors analyzed n = 200 topics related to dietary supplements ingredients. The highest popularity among ingredients had: "Magnesium", "Protein", and "Iron". The interest in dietary supplements varied across the countries. Users from English-speaking countries were the most interested in "Protein", while users from Europe and Central Asia in "Magnesium". Overall, the interest in dietary supplements increases in the years 2004-2019 and was the highest during February and March, while was the lowest during December.