Do not buy peanut butter that days "no sugar added." The ingredient list probably includes Sucrose (regular sugar) and High Fructose Corn Syrup or plain Fructose. Those are standard sugars that are relatively harmless.

You may be able to find unprocessed peanut butter. This will have nothing in it but peanuts and the oil will separate so you have to mix it before using it.

 

Dogs are the only domestic animals affected by xylitol. Cats are not affected. But for dogs, even a very small amount can cause serious, permanent damage or death.

Here is an aritcle with details.

Xylitol Toxicosis in Dogs - Toxicology - Merck Veterinary Manual

Learn about the veterinary topic of Xylitol Toxicosis in Dogs. Find specific details on this topic and related topics from the Merck Vet Manual.

www.merckvetmanual.com

 

Manufacturers might like to "play games" but they are still required by law to list all the ingredients in a food. IMO, the best PB has exactly two ingredients in it: peanuts and salt. Laura Scudders is one brand, but your local grocery store might have a generic brand (I know Kroger does). If you can't find a peanuts and salt only brand in the regular peanut butter section, then check out the "natural foods" section. The peanut solids and the oil will have separated during the time it's been at room temperature on the shelf, so you will need to mix it up (dumping the whole thing in a large bowl and using an electric mixer works a charm). After that, keeping it in the fridge minimized separation.

 

I also only use natural peanut butter that only has peanuts and salt (read the ingredients list because some peanut butters labeled "natural" still have added ingredients, you want literally only peanuts and salt) - or, if I can find it, only peanuts - for my dogs. I used Teddie brand when I lived in the US. Yes, you do have to mix it and keep it refrigerated after opening, but it makes it so much easier to be sure you're avoiding any unnecessary or harmful added ingredients. You may also be able to find "dog peanut butter" at some pet stores, made with totally pet safe ingredients, but those products are often more expensive than a natural peanut butter at the grocery store.

 

Peanut Butter at my house has two ingredients: dry roasted peanuts and salt.
Problem solved.