The following magickal rhyme is a powerful witches incantation that can be used for any potion you brew-up, recite it while visualizing your intent within your mind’s eye, you may repeat it several times out loud or to yourself:
“Herbal potion, cauldron brew, now be charged with magick true.
With intent I speak this charm,, all be blessed and none be harmed.
Ever minding the law of three, This is my will, so mote it be”
Source: Blessed Be Me