Pet Food Ingredients Encyclopedia
Every ingredient you'll find in commercial dog and cat food, explained from primary research and AAFCO 2024 / NRC 2006 / WSAVA 2018 guidance. 150 entries grouped into 26 clusters — from animal protein meals to controversial preservatives.
Animal Proteins & By-Products (10)
Meals, by-products, and hydrolyzed protein concentrates.
Plant Proteins (4)
Concentrated proteins from peas, potatoes, soy, and corn gluten.
Marine Oils (8)
Salmon, krill, sardine, anchovy, herring, and algae-derived oils.
Plant Oils (7)
Flax, canola, chia, perilla, camelina, hempseed, and sunflower.
Animal Fats (5)
Chicken, poultry, beef, lard, and turkey fats — palatability and energy.
Specialty Fats (2)
Coconut oil and MCT oil — medium-chain triglycerides.
Omega-3 Fatty Acids (3)
EPA, DHA, and DPA — the individual omega-3 fatty acid forms.
Preservatives & Natural Antioxidants (7)
Tocopherols, ascorbic acid, citric acid, BHA/BHT, ethoxyquin, rosemary, green tea.
Phosphates, Gums & Misc Additives (6)
STPP, SHMP, guar gum, xanthan gum, propylene glycol, menadione.
B-Vitamins (9)
Thiamine, riboflavin, niacin, B6, B12, folate, biotin, choline, pantothenic acid.
Fat-Soluble Vitamins (4)
Vitamins A, D, E (tocopherols), and K (menaquinones).
Macrominerals (5)
Calcium, phosphorus salts, potassium, and magnesium.
Trace Minerals (8)
Zinc, iron, copper, selenium, manganese, chromium, iodine, kelp.
Amino Acids & Derivatives (5)
L-carnitine, acetyl-L-carnitine, taurine, creatine, glycine.
Joint Support & Cartilage (6)
Glucosamine, chondroitin, MSM, boswellia, green-lipped mussel.
Carotenoids & Advanced Antioxidants (6)
Beta-carotene, astaxanthin, lutein, zeaxanthin, CoQ10.
Grains & Carbohydrates (11)
Brown rice, oats, barley, quinoa, sorghum, tapioca, potato, millet, pumpkin.
Pulse Legumes (3)
Peas, lentils, chickpeas — and the FDA-CVM DCM investigation context.
Whole Vegetables (4)
Spinach, carrots, parsley, alfalfa.
Whole Fruits (3)
Blueberries, cranberries, apples — polyphenol antioxidant sources.
Fiber & Prebiotics (6)
Inulin, FOS, MOS, agave inulin, Jerusalem artichoke — fermentable fibers.
Probiotic Strains (8)
Lactobacillus, Bifidobacterium, Enterococcus, Bacillus, Pediococcus, Saccharomyces.
Yeasts & Cellular Nutrients (4)
Brewers yeast, nutritional yeast, lecithin, egg product.
Botanical & Specialty Nutraceuticals (2)
Milk thistle and SAMe — liver-support nutraceuticals.
Controversial Ingredients (13)
Garlic, tomato pomace, pomegranate, carrageenan, beet pulp, cellulose, corn, soy, wheat, gluten, yucca, turmeric, ginger.
Regulatory Standards (1)
AAFCO substantiation methods — formulation vs feeding trial.
The 30 most-referenced ingredients across our 192 brand reviews — these are the ingredients that drive scoring decisions for most kibble formulas.