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Diamond Naturals Puppy Food Review: Small Breed vs Large Breed, Ingredients, Nutrition, Pros & Cons

Published On: August 30, 2026
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Your young dog needs great food to grow strong. You want to buy the best bag. This brand is a very popular choice. Pet parents like the low price. But is it safe for your pup?

We will look at the facts. We want to see if this food is truly good. We will check the meat and grains. We will also look at the safety record. This will help you choose.

Many people ask if this brand fits their budget. It costs less than other premium foods. But does it give your puppy what they need? Let us find out in this review.

Is Diamond Naturals Good for Puppies?

A happy healthy golden retriever puppy sitting next to a dog food bowl

Yes, this food is good for most puppies. It has real meat as the first item. It has healthy fat and vitamins. Many vets say it is a safe choice for a growing dog.

Is Diamond Naturals a premium dog food? Yes, it is a high-grade food. It does not use cheap corn or wheat. It uses real meat and good grains. Yet, it costs much less.

Many owners worry about grains in dog food. But puppies need healthy grains for energy. This brand uses brown rice and barley. These grains are easy to digest and full of fiber.

Where is Diamond Naturals puppy food made? It is made in the United States. The company has plants in California, Missouri, Arkansas, and South Carolina. They use safe ingredients from trusted sources.

Diamond Naturals Puppy Food Ingredients List Analysis

Fresh chicken breast, brown rice grains, and blueberries on a wooden table

Let us check the Diamond Naturals puppy food ingredients list. Real chicken or lamb is always first. This gives your pup great protein. Protein helps build strong muscles and tissues as they grow.

Next, we see whole grains. The food uses brown rice and pearled barley. These grains give your dog steady energy. They do not cause the quick blood sugar spikes that cheap corn can cause.

This recipe also has healthy superfoods. It has blueberries, kale, and chia seeds. These foods have natural antioxidants. They help keep your puppy’s immune system strong so they stay very active.

Egg product is also in this food. Eggs give your puppy high-quality protein. Flaxseed is added to provide healthy fats. These fats make your puppy’s coat look shiny and soft.

This food contains live probiotics. These are good bacteria for the gut. They help your puppy digest their food easily. Good gut health means smaller, firmer stools in the yard.

DHA and Nutritional Analysis

A bottle of salmon oil next to fresh salmon on a slate plate

Now we will do a Diamond Naturals puppy food nutritional analysis. Your pup needs DHA for their brain. This food uses salmon oil to provide DHA. It helps them learn fast.

The small breed food has thirty-two percent protein. The large breed food has twenty-seven percent protein. These levels are ideal for growth. They match what wild dogs eat to stay strong.

Calcium and phosphorus are also in this food. These minerals build strong bones. This is vital for large puppies. It keeps their joints safe as they gain weight very fast.

Omega fatty acids are vital for skin health. This food has both omega-three and omega-six fats. They help prevent dry, itchy skin. They also support your puppy’s immune system.

Here is a simple look at the food facts. We show the main numbers for small and large breeds. This helps you compare the two types. You can see which bag fits your dog.

NutrientSmall/Medium BreedLarge Breed
Crude Protein (Min)32.0%27.0%
Crude Fat (Min)22.0%15.0%
Crude Fiber (Max)3.5%3.5%
DHA (Min)0.05%0.05%
Calcium (Min)1.5%1.2%

Both foods have great numbers. The small breed recipe has more fat. This is because small pups burn energy very fast. The large breed recipe has less fat to prevent rapid growth.

Review of Specific Formulas

Two different bags of premium puppy food on a clean white background

Small & Medium Breed Puppy Chicken & Rice

Let us start with the Diamond Naturals small breed puppy review. This kibble is very small. It is made for tiny mouths. Small puppies can chew it with no pain or stress.

This chicken and rice recipe gives high energy. It has thirty-two percent protein and twenty-two percent fat. It keeps small dogs active all day. It also helps their coats stay soft.

Large Breed Puppy Pasture-Raised Lamb & Rice

Next is the Diamond Naturals large breed puppy food review. This food uses pasture-raised lamb. It has lower fat to protect growing bones. It stops large pups from growing too fast.

This formula has L-Carnitine. This helps convert fat into clean energy. It keeps your large puppy lean. It also has glucosamine for strong joints as they get bigger.

Large puppies need special care. If they grow too fast, they can get bone problems. This pasture-raised lamb recipe has the right calcium levels. It keeps their growth safe and steady.

Lamb & Rice Puppy Formula (All Sizes)

We also have the Diamond Naturals lamb and rice puppy food review. This is for puppies of all sizes. It uses lamb as the main meat. It is a great option for picky eaters.

Lamb is very easy on the stomach. If chicken makes your dog itchy, try lamb. It has good fats for skin health. It also helps puppies build strong muscles and run fast.

Does Diamond Naturals Puppy Food Cause Diarrhea?

A puppy sitting near a glass of water on a clean floor

Does Diamond Naturals puppy food cause diarrhea? Some pet parents report loose stools. This often happens when you switch food too fast. A sudden change shocks a young puppy’s stomach.

You must mix the old food with the new food. Do this over seven to ten days. Start with a tiny bit of Diamond Naturals. Slowly add more each day until the swap is done.

Also, this food is very rich. It has high fat and many probiotics. A puppy’s gut needs time to adapt to these good bacteria. Once they adapt, the diarrhea usually stops.

Diamond Naturals Puppy Food Recall History

A clean modern pet food manufacturing facility with stainless steel machines

Let us look at the Diamond Naturals puppy food recall history. The brand has a good safety record. But they did have a major recall in the past. We will explain what happened.

In May 2012, they recalled some puppy formulas due to Salmonella. The issue was at their South Carolina plant. No dogs got sick. Still, they stopped production to clean the facility.

Since 2012, the brand has had no major recalls. They now use strict testing on all batches. They check for bacteria before the food leaves the plant. This keeps your puppy safe.

Diamond Naturals vs Purina Pro Plan Puppy

Two different bowls of dog kibble for comparison

Let us do a Diamond Naturals vs Purina Pro Plan puppy comparison. Both are very popular foods. But they are made for different budgets. They also use different ingredients.

Purina Pro Plan is much more expensive. It is a premium food used by many breeders. Diamond Naturals is a budget-friendly option. It offers high quality without the high price tag.

In terms of ingredients, Diamond Naturals uses no corn or wheat. Purina Pro Plan often uses corn gluten meal. Some owners prefer Diamond. This is because it avoids these cheap fillers.

Here is a quick comparison table. It shows how these two brands match up. You can see the price, main meat, and grain choices. This makes your decision very simple.

FeatureDiamond NaturalsPurina Pro Plan
PriceBudget-FriendlyExpensive
Main MeatReal Chicken or LambReal Chicken or Salmon
FillersNo Corn or WheatMay Use Corn Gluten
ProbioticsYes (Live Strains)Yes

If you want to save money, Diamond is the winner. It has great meat and no cheap corn. But if your vet insists on a science-backed brand, Purina is a solid choice.

Dog Food Advisor Diamond Naturals Puppy Review

A five star rating icon next to a dog food bag

What does the Dog Food Advisor Diamond Naturals puppy review say? They give this brand a very high rating. They love the main protein source. It uses named meat meals.

They rate it four and a half to five stars. They praise the clean ingredients. There are no artificial colors or preservatives. They also like that the brand uses real fruit.

The only minor concern is the pea protein in some recipes. This can boost the protein numbers. It does not add real meat. Still, the overall rating remains very high.

Diamond Naturals Puppy Food Feeding Chart

A silver measuring cup scooping dry puppy kibble

You must use the Diamond Naturals puppy food feeding chart on the bag. This chart tells you how much kibble to feed. The amount depends on age. It also depends on weight.

Young puppies need to eat three or four times a day. Their small stomachs cannot hold much food. Spreading the meals keeps their energy steady. This prevents stomach pain.

Here is a simple feeding guide for a growing puppy. These are general daily amounts. Always check the bag for exact details. Your vet can also help you adjust the food.

Puppy WeightDaily Amount (Cups)
5 to 10 lbs3/4 to 1 1/2 cups
10 to 20 lbs1 1/2 to 2 1/2 cups
20 to 40 lbs2 1/2 to 4 cups
40 to 60 lbs4 to 5 1/2 cups

Do not let your puppy get too fat. Obesity is bad for growing bones and joints. If your pup leaves food in the bowl, feed them a little less next time.

Diamond Naturals Puppy Food Pros and Cons

A checklist with green checkmarks and red crosses

Let us look at the Diamond Naturals puppy food pros and cons. There are many good things about this brand. The low price is a big plus. The great ingredients are another.

But there are also a few downsides to consider. Some puppies get gas or loose stools. The past recall is also a concern for some pet parents. Here is the quick list.

  • Pros: Real meat is the first ingredient.
  • Pros: No cheap corn, wheat, or soy.
  • Pros: Contains DHA for brain growth.
  • Pros: Has live probiotics for digestion.
  • Pros: Very budget-friendly price.
  • Cons: Can cause gas or loose stools at first.
  • Cons: Uses pea protein in some recipes.
  • Cons: History of a Salmonella recall in 2012.

You can buy this food online easily. If you want to check the current price, view it on AMAZON. It is a great deal. Your puppy will love it.

Is It Worth Buying?

A happy family playing with a small puppy in a living room

Is this food worth buying? Yes, it is. It offers high quality for a very low price. It is hard to find a better food in this price range.

It is perfect for pet parents on a budget. You do not have to buy cheap food. You can give your puppy real meat. You do not have to spend too much.

Feeding a puppy is expensive. High-end brands can drain your wallet fast. This brand lets you feed high-quality food without stress. It is a smart choice for smart pet parents.

We highly recommend giving it a try. Just remember to switch the food slowly. This will prevent any stomach upset. Your growing puppy will thank you with a wagging tail.

If you are ready to buy, you can get your bag on AMAZON today. It is a smart choice for your growing pet. Your puppy will love the tasty kibble.

Frequently Asked Questions

Is Diamond Naturals good for puppies?

Yes, it is a great choice. It has real meat, whole grains, and probiotics. It gives puppies the energy and nutrients they need to grow strong.

Has Diamond Naturals puppy food ever been recalled?

Yes, they had a major recall in May 2012 due to Salmonella. They have had a clean safety record since then. They now use strict testing on all batches.

Does Diamond Naturals puppy food cause diarrhea?

It can cause loose stools if you switch foods too fast. Always transition slowly over seven to ten days. This gives their stomach time to adapt to the rich ingredients.

Where is Diamond Naturals puppy food made?

It is made in company-owned plants in the United States. They have facilities in Missouri, California, Arkansas, and South Carolina. They use high-quality ingredients from trusted sources.

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