Dog-supplement brands expand longevity and wellness offerings

Fera Pets launched Longevity for Dogs with NMN, ergothioneine, phosphatidylserine, resveratrol, and MCT oil, while Wuffes expanded three dog-supplement formulas nationwide at Tractor Supply. Both stories have shopping relevance, but clinical efficacy, dosing, pricing, and independent verification of testing or certification claims remain unresolved.