There is no law against eating certain herbs but what is your intention and is it organic?
This law forbade us to eat fruits in a particular circumstance
Leviticus 19:23
“And when ye shall come into the land, and shall have planted all manner of trees for food, then ye shall count the fruit thereof as uncircumcised: three years shall it be as uncircumcised unto you: it shall not be eaten of.”
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https://www.youtube.com/watch?v=JD5jNR6Ycn0