No black box warning on record for Metal
As of the latest FDA labeling reviewed, Metal (ALUMINIA, AMMON CARB, ANACARDIUM, ANTIMON CRUD, HYDRASTIS, IGNATIA, MAG PHOS, NAT MUR, NITRICUM AC, OSMIUM, PARAFFINUM, SENNA, SILICEA, SPONGIA) does not carry a black box warning. Standard warnings and precautions still apply — see the full Metal medicine page for the complete safety profile.