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Frontiers
frontiersin.org > journals > pharmacology > articles > 10.3389 > fphar.2026.1766381 > full

Challenges in performing clinical research on herbal products – experiences from Switzerland and the UK

7+ mon, 2+ week ago   (1028+ words) Front. Pharmacol., 26 January 2026 Conducting clinical trials with HFSs presents several challenges (summarised in Table 1). Table 1. Summary of the current challenges for performing clinical trials with herbal food supplements. Furthermore, HFSs can be marketed under food legislation without any GMP certification....