Moderate riskPenalizedDogs and cats
Menadione sodium bisulfite complex
Also labeled as
vitamin K3menadione dimethylpyrimidinol bisulfite
Why it matters
Synthetic vitamin K analog not approved by FDA for long-term use in human supplements. Controversial in pet food; natural vitamin K sources exist. Common in low-cost formulas.
How PawScore treats it
Foods containing Menadione sodium bisulfite complex are penalized when we grade the label. We don't publish the exact numeric weights so scores stay honest as the rubric evolves.