2kg of Formula K costs around £6. It will last a medium sized dog for a week.
A 7.5kg pack costs about £25 and should last a medium dog for five weeks.
Click here for stockists. A new page will open.
Don't have a stockist near you? Mail order: Phone Best Pet Pharmacy on 0845 053 5050.
Online: Click this link for Best Pet Pharmacy. You can get either 2kg or 7.5kg packs delivered to your door. Click the relevant pack size to go to the Best Pet page.
