The present disclosure generally relates to compounds and formulationscomprisinghomotaurine or a homotaurine-enriched edible material that may be used inimproving thegeneral mental condition and/or general brain function of a non-human animal,and for theprophylaxis of chronic, aging-related mental deterioration in non-humananimals. Inaddition, the present disclosure generally relates to compounds andformulations comprisinghomotaurine or a homotaurine-enriched edible material that may be used indeterminingwhether a candidate veterinary compound and/or a candidate formulation canimprovegeneral mental condition and/or general brain function of animals and for theprophylaxis ofchronic, aging-related mental deterioration in non-human animals.