they are on Ephihen?Updated 7 months ago

Pawable collagen is a nutritional supplement and has no specific contraindications. 

Collagen is a natural protein, considered 'generally safe' and research has shown it does not affect kidney or liver function in healthy dogs. 

At the time of writing, Epiphen has no specific dietary restrictions or recommendations. 

However, if you want further reassurance then please do check in with your vet.