Just to add to this thread - I started my two on Nutriment Low Purine Raw about 9 months ago now - no choice as my boy not only had Struvite Crystals but the Prescription Diet my Vet gave him to dissolve them damaged his Pancreas - the whole episode was a total nightmare. So I was left trying to find a Low Fat/Low Purine diet for him. I spent hours on the internet looking!!
After phoning all the major companies who gave me a 'bit of this and add a bit of that' - it wasn't what I was looking for. In desperation I put a post on here - and am eternally grateful to the gentleman who replied putting me onto Nutriment.
I was pretty upset about it all when I phoned the Company - they were brilliant and so so helpful. Since I have changed to raw feeding, both my dogs have been so well, I can't believe the change in them. Their coats are shining, skin is lovely and they are also calmer. My bitch also had some dry patches on her back, and had 2 courses of antibiotics plus a shampoo from the Vet - none of them cleared it up. After 2 weeks on Low Purine they had totally disappeared.
I would never go back to kibble, ever. I've had to cut down on a lot of things to afford the Nutriment but its so worth it.
Can't recommend this food enough