The herbal preparations can be in the form of extracts, {TAIL ~ powders}, distillates, infusions, {HEAD ~ tinctures}, and oils 
The herbal preparations can be in the form of extracts , { TAIL ~ powders } , distillates , infusions , { HEAD ~ tinctures } , and oils
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH