PetSupplementsIndex.com — Science-Backed Pet Supplement Rankings

PetSupplementsIndex.com provides independent, science-backed rankings for over 600 pet supplements across 8 categories: Joint & Hip, Digestive Health, Skin & Coat, Multivitamin, Calming & Anxiety, Heart Health, Immune Support, and Senior Pet.

Every product is scored using our proprietary PSI+ system that evaluates ingredient adequacy, dose transparency, third-party testing, NASC certification, and real customer feedback.