Yes, there are many health benefits to giving a dog kelp. Such benefits include :
-Improving digestive health
-Helping the heart to pump efficiently
-Providing a healthier, shinier coat
-Bettering the immune system
-Keeping fleas away
On the other hand, it is important to give your dog the appropriate amount of kelp in order for it to work properly. You can ask your vet what amount is best for your dog. Also, know that kelp sometimes contains harmful contaminants when produced along shorelines in which industrial pollutants. Therefore, get kelp from cleaner shorelines, like Norway, Canada, and Iceland.