He has several different foods. The fundamentals is high protein. I don't see grains listed. I'm not a grain free person. I've heard bad about it. Wysong is made by a vet in Wisc. My pets love this food and it shows in their coats that it is a good food. They like the fundamentals the best. He recommends rotating and using different ones but I use this as my dry and then use the canned for variety. They (both cats and dog and my dog is a picky eater) love the canned epigen. It is for cats and dogs and I like that too. There is a lot of information on his website.

expiration date on bags being sold by amazon.com? Usually purchase this from pet product website and expiration dates are always a long way out

I'm not sure what the question is? Are you asking if there is an expiration date on the bags, then I don't know. I recommend you buy directly from Wysong.

What is the carb percentage?

The chewy website says the carbs for this food are 24.6%. Not as low as the Epigen or Epigen 90 formulas which both have less than 10% carbs but MUCH lower than any other foods I could find...especially without the legumes, potatoes or beet pulp.

Why does the 4-pack cost $5.59 more than buying 4 individual bags?

Maybe different seller or different flavors in the 4 packs.

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Wysong Fundamentals Canine/Feline Formula Dry Dog/Cat Food, 5 lb

Product ID: 44556171

Details

Age Range (Description)
All Life
Brand
Wysong
Flavor
Chicken
Item Form
Dry
Specific Uses For Product

🌾Limited Ingredients Brown Rice Base

🍗40% High Protein

🦠Prebiotics & Probiotics Boost

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Description

🍽️ Elevate your pet’s diet with Fundamentals — because they deserve the best, always.

GUT HEALTH GAMECHANGER - Infused with prebiotics, probiotics, and enzymes to support a thriving digestive system.
CLEAN SIMPLE NUTRITION - Limited ingredient formula with organic chicken and brown rice keeps it pure and digestible.
TRUSTED LEGACY SINCE 1979 - Wysong’s decades of expertise ensure your pet gets scientifically crafted, balanced nutrition.
POWER PACKED PROTEIN PUNCH - Fuel your pet’s vitality with 40% organic chicken protein for peak performance.
ALL LIFE STAGES ALL BREEDS - Tailored for every dog and cat, from playful pups to wise seniors, small to large breeds.

Wysong Fundamentals is a premium dry food for dogs and cats featuring 40% high-quality organic chicken protein and 15% fat, designed with limited ingredients like brown rice for optimal digestion. Enriched with prebiotics, probiotics, enzymes, and essential micronutrients, it supports immune, digestive, skin, and coat health across all breeds and life stages. Trusted since 1979, this formula delivers balanced, genetically appropriate nutrition that pets love.

Specifications

ASIN	B00HW5OXEK
ASIN	B00HW5OXEK
Additional Features	Limited Ingredient, High Protein, Organic Chicken, Genetically Appropriate
Age Range Description	All Life Stages
Allergen Information	BPA-Free
Animal Food Diet Type	Limited Ingredient
Animal Food Ingredient Claim	Organic
Animal Food Nutrient Content Claim	High Protein
Best Sellers Rank	#22,882 in Pet Supplies ( See Top 100 in Pet Supplies ) #853 in Dry Dog Food
Brand Name	Wysong
Breed Recommendation	All Breed Sizes
Container Type	Bag
Customer Reviews	4.4 4.4 out of 5 stars (254)
Date First Available	January 16, 2014
Department	dog-dry-food
Dog Breed Size	All
Flavor	Chicken
Global Trade Identification Number	00085835982042
Item Form	Dry
Item Type Name	Pet Food
Item Weight	5 Pounds
Item model number	858062
Manufacturer	Wysong
Manufacturer	Wysong
Manufacturer Part Number	WYS-083
Model Number	858062
Number of Items	1
Occasion	Birthday
Product Benefits	Complete and balanced nutrition for dogs and cats
Product Dimensions	7.5 x 4 x 11 inches; 5 Pounds
Recommended Uses For Product	pet_digestive_health, pet_immune_support, pet_skin_and_coat_health, pet_weight_management
Special Ingredients	organic chicken, chicken meal
Specific Uses For Product	large;small;medium
Target Species	Cat,Dog
UPC	085835982042
Unit Count	80 Fluid Ounces

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