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Diamond Naturals Light Formula Dry Dog Food, 30-lb bag
Diamond Naturals

Light Formula Dry Dog Food, 30-lb bag

Evidence Fair
AAFCO compliance inferred from product name
dry $1.40/lb

Diamond Naturals Light Formula Dry Dog Food, 30-lb bag earns a Sniff Score of 63/100 (B) with Fair evidence. Zero controversial ingredients flagged. Quality carbohydrate sources with fermentable fiber..

Graded by The Sniff System

Why this score

Quality carbohydrate sources with fermentable fiber.

CQI

AAFCO formulation inferred from declared not stated. Verbatim statement not published by retailer.

ACF

Premium micronutrient forms such as chelated minerals or natural vitamin E.

MNI

Low protein quality. lamb meal delivers limited bioavailable amino acids.

PQI

Controversial ingredients · 1

  • sodium selenite
    Synthetic selenium source. Selenium is essential, but sodium selenite has a narrower safety margin than organic alternatives like selenium yeast. Better-formulated foods use the organic form.

Every flagged ingredient has a published basis (confirmed harm / regulatory action / precautionary). See methodology →

Guaranteed analysis
Dry-matter protein: 20% ⓘ
Protein
18%
min (as fed)
Fat
6%
min (as fed)
Fiber
8%
max (as fed)
Moisture
10%
max
Ingredients

Read why each ingredient is good or bad for dogs.

59 total
Good Neutral Watch Flagged
  1. 1
    lamb meal

    Lamb cooked down to a dry concentrate. Per pound, more protein than fresh lamb.

  2. 2
    brown rice

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

  3. 3
    oatmeal

    Gentle on the stomach. Slow-release carbs and soluble fiber that supports stool quality.

  4. 4
    cracked pearled barley

    Pre-cracked pearled barley for better digestibility. Same whole-grain story.

  5. 5
    white rice

    Refined grain with the bran stripped off. Easy to digest, but not as nutrient-dense as brown rice.

  6. 6
    grain sorghum

    Same as sorghum. Whole grain with a low glycemic index. Gluten-free, well-tolerated.

  7. 7
    ground miscanthus grass

    Same as miscanthus grass. A plant fiber source, mostly there for stool quality.

  8. 8
    millet

    Gluten-free whole grain. Fine for most dogs, often used as an alternative to rice.

  9. 9
    dried yeast

    Natural source of B vitamins and trace minerals. Adds a savory flavor that dogs respond well to.

  10. 10
    chicken fat

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

  11. 11
    natural flavor

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

  12. 12
    flaxseed

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

  13. 13
    potassium chloride

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

  14. 14
    dl-methionine

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

  15. 15
    choline chloride

    Essential nutrient for liver and brain function. Standard inclusion in complete dog foods.

  16. 16
    taurine

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

  17. 17
    glucosamine hydrochloride

    Joint-support compound. Most useful in larger doses for older dogs. The kibble dose is real but modest.

  18. 18
    dried chicory root

    Natural prebiotic. Feeds beneficial gut bacteria. The same compound (inulin) used in human gut-health products.

  19. 19
    l-carnitine

    Amino acid derivative that helps the body convert fat into energy. Common in weight-management formulas.

  20. 20
    kale

    Leafy green with antioxidants and fiber. Small dose in kibble, but it's not just for marketing.

  21. 21
    chia seed

    Plant source of omega-3 and fiber. Like flaxseed, useful in trace amounts.

  22. 22
    pumpkin

    Soluble fiber that supports stool quality. Mild and well-tolerated.

  23. 23
    blueberries

    Antioxidants, real. But the amount in any kibble is too small to do much. Mostly marketing.

  24. 24
    oranges
  25. 25
    quinoa

    Pseudo-grain with a complete amino acid profile. Rare in dog food because it's expensive.

Showing first 25 of 59. Position 1-5 has the largest weight in the recipe.

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