CONFLICT OF INTEREST STATEMENT The authors have declared no conflicts of interest. Supporting Information Filename Description elps7960-sup-0001-SuppMat.docx2 MB Supporting Information REFERENCES 1. Getting more than you paid for: unauthorized “natural” substances in herbal food supplements on EU market. Planta Med. 2018; 84: 394–406. 2. The importance of food supplements for public health and well-being. World Rev Nutr Diet. 2020; 121: 66–72. 3, , , .