No black box warning on record for N-19
As of the latest FDA labeling reviewed, N-19 (FORMICA RUFA, POTASSIUM CARBONATE, KALMIA LATIFOLIA WHOLE, ZANTHOXYLUM AMERICANUM BARK, AND BOS TAURUS PARATHYROID GLAND) does not carry a black box warning. Standard warnings and precautions still apply — see the full N-19 medicine page for the complete safety profile.