AUTHOR=Tomczyk MichaƂ , Locatelli Marcello , Granica Sebastian TITLE=Editorial: Food/Diet Supplements From Natural Sources: Current Status and Future Challenges From a Pharmacological Perspective JOURNAL=Frontiers in Pharmacology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.817606 DOI=10.3389/fphar.2021.817606 ISSN=1663-9812