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Our recipes contain an average of just 0.13% salt per 100g, providing a naturally lower sodium diet that helps maintain healthy blood pressure.


Maintaining a healthy weight is absolutely vital for a healthy heart. That’s why we tailor every portion to your dog's specific needs, using their age, weight, and activity level.
Our Vet Nurses are here to provide dietary guidance and help you select the right meals. Just remember to always consult your vet before making any final food changes.

Tell us a little bit about your dog and we'll get you started on your Fresh journey
See how we help with heart conditions
Sandra Barton
"Ava has been on Butternut Box for a few years now. She has severe mitral valve disease but since she’s been on this food she has never looked so well. She has so much energy for an 11 year old. Her last heart scan was remarkable even the vet was surprised how well she’s doing."
Reviewed on Trustpilot, Jun 2026Jenny
"Butternut Box team were very helpful when my little Cockapoo Poppy was diagnosed with severe heart failure.I booked a call with Leah, one of the Vet nurses, and she advised on meals that were suitable with low fat and ways of making the food more tempting for Poppy who has always been a very picky eater. Leah also sent a couple of boxes of bone broth the next day. Thank you"
Reviewed on Trustpilot, May 2026Jim Kavanagh
"Less time consuming than buying/cooking fresh food for my retriever with diabetes and cushings and heart issue. He's healthy and happy even with his health issues.long may it last...Has made my life so much easier. My bruno would eat the plastic packaging too if allowed....Helen."
Reviewed on Trustpilot, Mar 2026&w=2048&q=75)
"97% of customers would recommend us"
Customer Survey, Feb 2026, n=5,917. Q: "Would you recommend Butternut Box to other dog owners?" 5,749 selected "Yes".
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©2026 Butternut Box