LUXE Greens Papaya can be a healthy addition to a dog's diet when fed in moderation. It offers several nutritional benefits, including being rich in vitamins A and C, potassium, and fiber. These nutrients support your dog's immune system and promote healthy digestion. Papaya also contains the enzyme papain, known for its anti-inflammatory properties, which could benefit dogs with joint pain or arthritis. Can Dogs Eat Papaya? Can Dogs Eat Papaya? Vet-Reviewed Facts & FAQs. Pups and Papaya – Ya or Nah?