News US relaxes its guidelines on herbal supplements BMJ 2000; 320 doi: https://doi.org/10.1136/bmj.320.7229.208/f (Published 22 January 2000) Cite this as: BMJ 2000;320:208 Article Related content Metrics Responses Peer review Related articles News US relaxes its guidelines on herbal supplements Published: 22 January 2000; BMJ 320 doi:10.1136/bmj.320.7229.207/a