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Greenies Calming Chews Chicken Flavor Supplement NutriSource Soft Chew Calming Supplement

Greenies Calming Chews Chicken Flavor Supplement scores higher on KibbleLab, 8.0 to 7.5. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Greenies Calming Chews Chicken Flavor Supplement and NutriSource Soft Chew Calming Supplement compared

Nutrients:
As Fed
Greenies Calming Chews Chicken Flavor Supplement
Greenies Calming Chews Chicken Flavor Supplement

Verified Jul 24, 2026

NutriSource Soft Chew Calming Supplement
NutriSource Soft Chew Calming Supplement

Verified Aug 28, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.0 / 10 7.5 / 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.
L-Tryptophan, L-Theanine, Canola Oil, Citric Acid (preservative), Dried Chicken, Glycerin, Lecithin, Millet Flour, Mixed Tocopherols (preservative), Natural Flavor, Natural Hickory Smoke Flavor, Rosemary Extract, Vinegar, Water, Wheat Flour Show full list
L-Tryptophan (210 MG per soft chew), L-Theanine (65 MG per soft chew), Bovine Colostrum (50 MG per soft chew), brewers dried yeast, carrots, chickpeas, coconut glycerin, dried cultured skim milk, dried honey, flax seed, lactic acid, lactobacillus acidophilus fermentation product, mixed tocopherols (preservative), natural flavor, natural smoke flavor, potatoes, rosemary extract, salmon oil, salt, spinach, sweet potato, turkey, yucca schidigera extract Show full list
Limited ingredient No No
Marketed benefits Stress relief Stress relief
Format & suitability
Food type Supplement Supplement
Texture Soft Chew Soft Chew
Processing Not listed Not listed
Life stage Adult Adult
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 Yes
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 Chewy Amazon
Amazon

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Shared ingredients

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

  • L-Tryptophan
  • L-Theanine

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Common Questions

Which food scores higher on KibbleLab?

Greenies Calming Chews Chicken Flavor 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: L-Tryptophan, L-Theanine.

See the full profiles: Greenies Calming Chews Chicken Flavor Supplement and NutriSource Soft Chew Calming 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.