Canna-Pet is recommend for US and UK residents.
This brand is listed here because they offer a variety of great products to choose from, and they've received a ton of positive feedback.
If you want the brand with the most customers and reviews, this is it.
They offer the most products for pets (dogs, cats and horses), along with great information. They are another supplier you can trust with your pet's health.
Their website is a really good resource for information regarding various breeds and particular ailments. They are the biggest company in this space, and their marketing is the best.
Visit their official website here.