Purina Beta Senior Chicken Dog Food Purina Beta Senior Chicken Dog Food – BETA Senior (7 years+) with Chicken. Tailored nutrition for Senior adult dogs includes Omega 3 fatty acids to support joint mobility and antioxidants to support natural defences. Just because your dog is in his golden years, doesn’t mean living an active, curious life should stop for him. That’s why our Purina BETA tailored nutrition for Senior adult dogs includes Omega 3 fatty acids to support joint mobility and antioxidants to then support natural defences. Also formulated with selected natural ingredients and natural prebiotics to support digestive health, so he is still ready to go every time you pick up the lead! Key Benefits: Tailored Nutrition – To support healthy ageing for your senior dog Joint Mobility – With omega 3 fatty acid to support healthy joints Heart Care – With essential amino acids to support vital organ function Healthy Immune System – With antioxidants to also support natural defences Rich in Chicken – Chicken is the No. 1 ingredient And also, all this without including any added artificial colours, flavours or preservatives.