No black box warning on record for Renal Health Formula
As of the latest FDA labeling reviewed, Renal Health Formula (SARSAPARILLA (SMILAX REGELII), BERBERIS VULGARIS, LEONURUS CARDIACA, LYCOPODIUM CLAVATUM, NITRICUM ACIDUM, DIGITALIS PURPUREA, OXALICUM ACIDUM, URICUM ACIDUM) does not carry a black box warning. Standard warnings and precautions still apply — see the full Renal Health Formula medicine page for the complete safety profile.