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Ruff Greens Ruff H2O K9 Hydration Supplement Zesty Paws Multi-Collagen Bites Chicken Soft Chew Supplement

Zesty Paws Multi-Collagen Bites Chicken Soft Chew Supplement scores higher on KibbleLab, 8.0 to 7.5. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Ruff Greens Ruff H2O K9 Hydration Supplement and Zesty Paws Multi-Collagen Bites Chicken Soft Chew Supplement compared

Nutrients:
As Fed
Ruff Greens Ruff H2O K9 Hydration Supplement
Ruff Greens Ruff H2O K9 Hydration Supplement

Verified Oct 10, 2026

Zesty Paws Multi-Collagen Bites Chicken Soft Chew Supplement
Zesty Paws Multi-Collagen Bites Chicken Soft Chew Supplement

Verified Aug 21, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
7.5 / 10 8.0 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
Not listed Not listed
Fat Not listed Not listed
Fiber Not listed Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
Not listed Not listed
Calories Not listed Not listed
Calorie density Not listed Not listed
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Gelatin Hydrolysate (Bovine Collagen), L-Alanine, Rice Bran Extract, Natural Flavors, Citric Acid, Trisodium Citrate, L-Malic Acid, Calcium Lactate, Sodium Chloride, Di-Magnesium Malate, Fermented Sugarcane Reb M, Tri-Potassium Citrate, Potassium Phosphate, Vegetable Juice, Zinc Citrate, Vitamin B12, Beet Root Powder Show full list
Collagen Peptides (Bovine) 1000mg, Collagen Peptides (Marine) 400 mg, Cod Liver Oil 200 mg, Eggshell Membrane (Balanced Kollagen(R)) 200 mg, Hyaluronic Acid 40 mg, Ascorbic Acid (Vitamin C), Chicken Broth, Chicken Liver, Citric Acid (a preservative), Coconut Glycerin, Flaxseed, Garbanzo Flour, Mixed Tocopherols (a preservative), Natural Flavors, Palm Oil, Pea Flour, Powdered Cellulose, Rosemary Extract, Sunflower Lecithin, Tapioca Flour. Show full list
Limited ingredient No No
Marketed benefits Hydration support, Mobility support, High energy, Recovery support Joint care, Mobility support, Skin coat health, Antioxidant support
Format & suitability
Food type Supplement Supplement
Texture Powder Soft Chew
Processing Not listed Extruded
Life stage All Life Stages All Life Stages
Breed size All Breed Sizes All Breed Sizes
AAFCO nutritional adequacy
Complete & balanced Whether the manufacturer's label claims the food meets AAFCO nutrient profiles for a life stage. Not an independent test.
Not indicated Not indicated
Life stages Not listed Not listed
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Not listed Not listed
Maker standards
WSAVA guidelines The World Small Animal Veterinary Association publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
No No
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact through third-party verification. It reflects sustainability practices, not food quality.
No No
Recalls & where to buy
Recalls on record We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.
None None
Where to buy
Shop Ruff Greens Amazon
Amazon

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Shared ingredients

Both foods list these among their top ingredients, by label weight.

  • Collagen Peptide
  • Citric Acid

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Common Questions

Which food scores higher on KibbleLab?

Zesty Paws Multi-Collagen Bites Chicken Soft Chew Supplement scores higher, 8.0 to 7.5 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Collagen Peptide, Citric Acid.

See the full profiles: Ruff Greens Ruff H2O K9 Hydration Supplement and Zesty Paws Multi-Collagen Bites Chicken Soft Chew Supplement .

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either product. A food's guaranteed analysis gives legal minimums and maximums for a few nutrients, not measured values. No one can pay for placement or a higher score.

Product details are compiled from public sources and may not reflect the latest formulation. Represent one of these brands? Request a correction. Anyone else can email us.