A dog's nutritional needs depend on his age, health and activity level. Here are some must-eat nutritional supplements for dogs: Dog food. Make sure your dog's diet is balanced and includes the right amounts of protein, fats, vitamins and minerals. Calcium tablets and fish oil. Helps maintain bone health and promote hair growth. Lecithin, astaxanthin. These ingredients help improve the quality of your dog’s coat. Probiotics. Helps improve the intestinal health of dogs, especially for dogs with digestive problems. Red pike oil, Cranimals Cranimals triple berry powder, Papa Wang egg yolk granules, Aniforte green lipped mussel powder, Natural Logic bone broth powder, German Crown Black Truffle Nutritional Cream, Jarrow Lactoferrin, Brady Probiotics. These nutritional products can supplement various nutrients needed by dogs, enhance immunity, protect joints, improve cardiovascular diseases, etc. The above suggestions are for reference only. It is recommended to consult a veterinarian when choosing nutritional products for dogs to ensure their health and nutrition. Needs are met.