› Forums › HomeGrown Herbalist Student Forum › Herbal Medicine Making › IBS Formula Tagged: IBS This topic has 1 reply, 2 voices, and was last updated 1 year, 2 months ago by . Viewing 1 reply thread Author Posts April 16, 2024 at 8:19 PM #52429 AnnettStudent Doc, In the IBS Formula could lavender be used in place of passionflower? If not, would you give some other options that could be used in place of passionflower? April 17, 2024 at 10:09 AM #52446 Rebecca CarlinStudent Hi Annett, Herbert A.I. states that Chamomile flower can be substituted for Passionflower in the IBS Formula. Herbert is a great resource! 1 user thanked author for this post. Annett Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In Log in / Register