(Even though this article is written with dogs in mind, Vitamin C can be very beneficial for cats as well). As your dog ages, their body starts to fail. They won’t get as much nutrition out of his food. Their liver won’t be able to push out as many toxins. And their brain will begin to slow down. That’s why senior dogs need a boost as they age. It helps them to get what they need to live a healthy and comfortable life. So, let’s look at 5 important supplements you should consider......