Winni Treats Freeze Dried Chicken Hearts for Dogs - Single Ingredient, Preservative-Free, Premium Chicken Hearts, High in Protein for Strong Muscles, Low in Fat, Healthy Dog Treats (3.75 Ounces) Review
By Marcus Bell · Dog nutrition editor · Published 2026-06-01 · Updated 2026-06-18
Winni Treats Freeze Dried Chicken Hearts is a single ingredient treat made from premium chicken hearts, and with a 4.7 star average across 324 reviews it is shaping up to be a well liked, straightforward option for owners who want a simple protein only reward.
Owners who want a single ingredient, preservative-free treat that's high in protein and low in fat for training or everyday rewarding.
Skip if
You need a larger bulk size, since this comes in a 3.75 ounce bag, or your dog needs to avoid organ meats.
Priced 54% below the category median ($35.99 across 81 tracked models)
Our scorecard
4.6/5overall
Owner rating4.7/5
4.7 average across 324 owner ratings
Popularity2.6/5
324 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog food and health supplements we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
["This 3.75 ounce bag contains freeze-dried chicken hearts as the single listed ingredient, with the brand marketing it as preservative-free. That single ingredient format makes it a fairly transparent choice if you are trying to identify what's triggering a food sensitivity.", 'The listing highlights the treat as high in protein for supporting strong muscles and low in fat, positioning it as a lighter alternative to more processed treats. Because it is just chicken hearts, there is no added flavoring or filler to account for.', 'At $16.50, it is priced reasonably for a freeze-dried, single ingredient treat. With 324 reviews and a 4.7 star average, plus about 200 bought in the past month, it has a solid track record for a treat at this size.']
Pros
Single ingredient, preservative-free formula
High in protein and low in fat, per the listing
Strong 4.7 star rating across 324 reviews
Reasonably priced for a freeze-dried treat
Cons
Small 3.75 ounce bag size for dogs that go through treats quickly
Chicken hearts won't work for dogs with a poultry sensitivity
Detailed guaranteed analysis isn't listed here
Performance notes
As a single ingredient, freeze-dried organ treat, it is likely to have a strong smell and flavor that many dogs find appealing, which can make it useful as a high value training reward rather than an everyday filler treat.
What buyers say
A 4.7 star average from 324 reviews, along with about 200 bought in the past month, points to a well regarded treat with steady demand.
It is a treat, not a complete meal, so it should be used as a reward or topper alongside your dog's regular food.
Does it contain any preservatives?
No, the listing describes it as preservative-free, with chicken hearts as the only ingredient.
Is it appropriate for all dog sizes?
The listing doesn't specify a breed size restriction, so it should work for most dogs, though you should still adjust portion size to your dog's weight.
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