No black box warning on record for N-23
As of the latest FDA labeling reviewed, N-23 (ANEMONE PULSATILLA, PHOSPHORUS, SILICON DIOXIDE, NITRIC ACID, ARSENIC TRIOXIDE, TOXICODENDRON PUBESCENS WHOLE, AND BOS TAURUS HYPOTHALAMUS) does not carry a black box warning. Standard warnings and precautions still apply — see the full N-23 medicine page for the complete safety profile.