No black box warning on record for Luffa
As of the latest FDA labeling reviewed, Luffa (LUFFA, HYDRASTIS CANADENSIS, MERCURIUS SULPH. RUB, ALLIUM CEPA, NATRUM MURITICUM, PHOSPHORUS, EUPATORIUM PERF, STICTA) does not carry a black box warning. Standard warnings and precautions still apply — see the full Luffa medicine page for the complete safety profile.