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Natural Balance Original Ultra Chicken Formula Dry Dog Food, 24-lb bag
Natural Balance

Original Ultra Chicken Formula Dry Dog Food, 24-lb bag

Evidence Fair
dry $2.71/lb

Graded by The Sniff System

In plain English

Natural Balance Original Ultra Chicken Formula Dry Dog Food is a dry kibble that features chicken as its main protein source.

This formula offers reasonable protein quality, with chicken providing solid amino acid coverage. It also includes quality carbohydrate sources that provide fermentable fiber, and good fat sources like named chicken fat and marine oil for EPA and DHA.

The main thing to note is the absence of an AAFCO statement, which means the nutritional completeness of this food is unverified. This factor capped its overall score.

Good fit for adult dogs. Less ideal if you prefer a food with a verified AAFCO statement.

Summary written by The Sniff System from the data above. Same rubric, same drivers, expressed in English.

Who this is for

Good fit for adult Labrador Retrievers and similar active sporting breeds navigating weight management. At 390 kcal/cup this formula runs on the moderate side, with crude fiber at 5% (above the catalog median, supports satiety). The landmark 14-year Purina Lifespan Study on 48 Labrador Retrievers demonstrated that dogs fed 25% fewer calories lived a median of 1.8 years longer and delayed the onset of chronic diseases. The 2014 AAHA Weight Management Guidelines define overweight as a Body Condition Score (BCS) of 6-7 on a 9-point scale. A score of 8 or 9 indicates obesity, representing 20-30% and >30% above ideal body weight, respectively  (Brooks et al., 2014) .

Looking at this for adult Labrador Retrievers or Labrador Retrievers with weight management ? We are building dedicated pages for these combinations.

Auto-matched from this product's measurements (ingredients, life stage, calorie density) to a breed archetype. Not a substitute for vet input on your specific dog.

Research informing this analysis

Methodology

The Sniff System grades this product against 3 cited studies relevant to its profile. Each link opens the original source.

Every claim on Sniff traces to a source. If you find a citation that's wrong, outdated, or misapplied, tell us.

Why this score

Sniff scored this formula 59/100, landing in C-tier (acceptable-with-notes). The biggest contributor was protein quality (+18.5 points): Reasonable protein quality. chicken delivers solid amino acid coverage. A hard cap of 59 also applied because the AAFCO nutritional adequacy statement isn't disclosed on the retailer page (so our methodology can't verify the formula meets adult, growth, or all-life-stages standards). If the brand publishing the AAFCO statement were on the label, the cap would lift and this formula could clear the B-band threshold (60).

What lifted the score

Reasonable protein quality. chicken delivers solid amino acid coverage.

PQI

Quality carbohydrate sources with fermentable fiber.

CQI

Quality fat sources: named fat with marine oil (EPA and DHA source).

FQI
What pulled it down

Score capped at 59 due to no AAFCO statement.

CAP why?

No AAFCO statement. Nutritional completeness unverified.

ACF
What sets this apart
  • Top quartile for caloric density in Natural Balance's lineup (390 kcal/cup)

Computed against the rest of our catalog. Percentiles refresh on each catalog update.

Similar dog foods worth considering

Three lenses on products with formulation profiles similar to this one.

Surfaced from a vector similarity search across 3,491 scored dog foods. How this works.

Guaranteed analysis
Dry-matter protein: 30%
Protein
27%
min (as fed)
Fat
15%
min (as fed)
Fiber
5%
max (as fed)
Moisture
10%
max
Ingredients

Read why each ingredient is good or bad for dogs.

55 total
Good Neutral Watch Flagged
  1. 1
    chicken

    Real meat. Primary protein source, with the amino acid profile dogs actually evolved to eat.

    Position 1: primary protein source. After cooking removes water, this may drop in proportional weight, but it anchors the recipe.

  2. 2
    chicken meal

    Chicken with the water cooked out. Per pound, packs more protein than fresh chicken. See why →

    Position 2: co-primary protein. Two named animal proteins in the top 2 is a strong protein build.

  3. 3
    pearled barley

    Barley with the outer hull removed. Easy to digest, steady carb release.

    Position 3: major carbohydrate source.

  4. 4
    peas

    Cheap protein bulk. Fine in small amounts, but when peas stack with lentils and chickpeas in the top ingredients, it's the pattern the FDA flagged in its heart-disease investigation. See why →

    Position 4. Within the FDA's top-5 DCM-pattern threshold. Especially notable if multiple pulses stack here.

  5. 5
    oat groats

    Whole oats with only the inedible hull removed. The most intact form of oats available.

    Position 5: supporting grain. Smaller contribution to the carb deck.

  6. 6
    chicken fat

    Despite the name, a high-quality energy source. Concentrated calories plus essential fatty acids like linoleic acid. See why →

    Position 6: secondary fat. Often where marine oils sit when present alongside a primary land-animal fat.

  7. 7
    dried plain beet pulp

    Beet fiber, with the sugar removed. Long unfairly maligned. It's a real soluble fiber that supports stool quality. See why →

    Position 7: functional fiber for digestion or satiety.

  8. 8
    natural flavor

    Legal term for animal-derived flavoring, usually hydrolyzed liver or broth. Adds taste, says nothing about quality.

  9. 9
    brown rice

    Whole grain that's easy to digest. Steady carb energy plus a little fiber.

    Position 9: minor grain inclusion.

  10. 10
    dicalcium phosphate

    Calcium and phosphorus combined. Required source of both minerals, especially in formulas without much bone content.

  11. 11
    flaxseed

    Plant source of omega-3. Helpful for skin and coat, though dogs absorb omega-3 from fish more efficiently.

    Position 11: trace fat. Below the level that materially shifts the fat profile.

  12. 12
    dried vegetable broth
  13. 13
    menhaden fish oil

    Omega-3 from menhaden, a small oily fish. Same skin and coat support as salmon oil.

    Position 13. Trace marine oil. Contributes some omega-3 but well below the level that drives EPA/DHA totals.

  14. 14
    carrots

    Real vegetable. Fiber, beta-carotene, and a small amount of antioxidant value.

    Position 14: garnish-level inclusion. Marketing-prominent but minimal nutritional impact at this position.

  15. 15
    dl-methionine

    Essential amino acid. Often added when plant proteins dominate, since methionine is naturally lower in pulses than meat.

  16. 16
    potassium chloride

    Required mineral. Sometimes used as a salt substitute. Standard inclusion in complete diets.

  17. 17
    salt

    Sodium chloride. Required at small doses for normal physiology. Not a quality concern in standard amounts.

  18. 18
    taurine

    Amino acid critical for heart health. Especially important in grain-free or pulse-heavy formulas where natural taurine precursors run thin.

  19. 19
    vitamin e supplement

    Required nutrient and a natural antioxidant. Often pulls double duty as a preservative.

  20. 20
    ascorbic acid

    Vitamin C. Pulls double duty as a natural antioxidant preservative.

  21. 21
    niacin supplement

    B vitamin (B3). Required in complete dog foods, added as a supplement to standardize the dose.

  22. 22
    vitamin a supplement

    Vitamin A in stable, standardized form. Required for vision, immune function, and growth.

  23. 23
    thiamine mononitrate

    B vitamin (B1). Essential for nervous system function. Cooked-in vitamin loss is why thiamine is always added back.

  24. 24
    d-calcium pantothenate

    B vitamin (B5). Standard inclusion in complete dog foods.

  25. 25
    riboflavin supplement

    B vitamin (B2). Required in complete dog foods. The standardized form ensures consistent dosing.

Showing first 25 of 55. Position 1-5 has the largest weight in the recipe.

24 of 25 ingredients have a curated note. Coverage grows over time.