Taking certain supplements before and after a workout can help get you ready for it and then assist with recovery. (fitnessandpower.com)
Too much of certain supplements can actually be detrimental to your dog's health. (topdogtips.com)
I believe starting to give dogs certain supplements like omega 3s and coconut oil early, can help as does exercise, mental stimulation and a quality diet. (caringforaseniordog.com)