Skip to content
Vet RanchVet Ranch
  • Home
  • Pet Animals
    • Dog
      • Dog Crate
      • Dog House
      • Dog Nail
      • Dog Shampoo
      • Dog Bed
      • Dog Harness
      • Dog Door
      • Dog Muzzles
      • Dog Car Seat
      • Dog Feeder
      • Dog Harness
      • Dog Kennel
      • Dog Pen
    • Cat
      • Cat Carrier
      • Cat Clipper
      • Cat Couch
      • Cat exercise wheel
      • Cat Litter
      • Cat Litter Box
      • Cat scratching post
      • Cat stroller
      • Cat Tracker
      • Cat Tree
      • Cat Vacuum
    • Bird
      • Bird Camera Feeder
      • Bird Stand
      • Bird Bath
      • Bird Cage
      • Bird Crate
      • Bird Feeder
      • Bird Seed
    • Rabbit
      • Rabbit Cage
      • Rabbit Hutch
    • Fish
      • Fish Tank
      • Fish Aquarium
    • Pet Stroller
  • Knowledge
    • Best Product
    • Review
    • Blog
  • About Us
  • Contact Us
  • Write for Us
Vet RanchVet Ranch
  • Home » 
  • Dog Food » 
  • Best Dog Food At Walmart For Pitbulls

Best Dog Food At Walmart For Pitbulls

Arthur Crowley January 3, 2024

As a canine proprietor, among the most important points you can do for your furry close friend is to pick the best pet dog food. With so many options on the marketplace today, it can be frustrating trying to determine what to acquire. There are many aspects to take into consideration, such as your dog’s age, type, and overall wellness. In this post, we’ll go over some pointers and guidelines to aid you select the most effective canine food for your family pet.

Contents
  1. Best Dog Food At Walmart For Pitbulls – Complete Testimonial As Well As Acquiring Guide
    1. Bully Max Dry Dog Food for Adults & Pupppies - High Protein & Fat for Muscle & Weight Gain - High Performance Dog Food Supplements - Small & Large Breed Dogs (535 Calories Per Cup), Chicken, 5lb Bag
      1. Features
    2. Pedigree High Protein Adult Dry Dog Food, Beef and Lamb Flavor, 18 lb. Bag
      1. Features
    3. VICTOR Super Premium Dog Food – Hi-Pro Plus Dry Kibble – High Protein Dog Food with 30% Protein – Beef, Chicken, Pork, Fish Meals, Gluten Free - for High Energy and Active Dogs & Puppies, 30lbs
      1. Features
    4. Pedigree Complete Nutrition Adult Dry Dog Food, Grilled Steak & Vegetable Flavor, 18 lb. Bag
      1. Features
    5. Bully Max Puppy Food 24/14 High Protein & Growth Formula - Dry Dog Food with Lamb and Rice for Small Dogs and Large Breed Puppies - Natural, Slow-Cooked, Sensitive Stomach Pet Food, 5-Pound Bag
      1. Features
    6. Blue Buffalo Life Protection Formula Natural Adult Dry Dog Food, Chicken and Brown Rice 5-lb Trial Size Bag
      1. Features
    7. Pedigree Complete Nutrition Adult Dry Dog Food, Roasted Chicken & Vegetable Flavor, 18 lb. Bag
      1. Features
  2. How to Choose Best Dog Food At Walmart For Pitbulls

Best Dog Food At Walmart For Pitbulls – Complete Testimonial As Well As Acquiring Guide

Check out our top products that you can purchase:

1
Bully Max Dry Dog Food for Adults & Pupppies - High Protein & Fat for Muscle & Weight Gain - High Performance Dog Food Supplements - Small & Large Breed Dogs (535 Calories Per Cup), Chicken, 5lb Bag
Bully Max Dry Dog Food for Adults & Pupppies - High Protein & Fat for Muscle & Weight Gain - High...
BUY NOW Amazon.com
9.9
BUY NOW
Amazon.com
2
Pedigree High Protein Adult Dry Dog Food, Beef and Lamb Flavor, 18 lb. Bag
Recommended
Pedigree High Protein Adult Dry Dog Food, Beef and Lamb Flavor, 18 lb. Bag
BUY NOW Amazon.com
9.8
BUY NOW
Amazon.com
3
VICTOR Super Premium Dog Food – Hi-Pro Plus Dry Kibble – High Protein Dog Food with 30% Protein – Beef, Chicken, Pork, Fish Meals, Gluten Free - for High Energy and Active Dogs & Puppies, 30lbs
VICTOR Super Premium Dog Food – Hi-Pro Plus Dry Kibble – High Protein Dog Food with 30% Protein –...
BUY NOW Amazon.com
9.6
BUY NOW
Amazon.com
4
Pedigree Complete Nutrition Adult Dry Dog Food, Grilled Steak & Vegetable Flavor, 18 lb. Bag
Pedigree Complete Nutrition Adult Dry Dog Food, Grilled Steak & Vegetable Flavor, 18 lb. Bag
BUY NOW Amazon.com
9
BUY NOW
Amazon.com
5
Bully Max Puppy Food 24/14 High Protein & Growth Formula - Dry Dog Food with Lamb and Rice for Small Dogs and Large Breed Puppies - Natural, Slow-Cooked, Sensitive Stomach Pet Food, 5-Pound Bag
Bully Max Puppy Food 24/14 High Protein & Growth Formula - Dry Dog Food with Lamb and Rice for...
BUY NOW Amazon.com
8.9
BUY NOW
Amazon.com
6
Blue Buffalo Life Protection Formula Natural Adult Dry Dog Food, Chicken and Brown Rice 5-lb Trial Size Bag
Blue Buffalo Life Protection Formula Natural Adult Dry Dog Food, Chicken and Brown Rice 5-lb...
BUY NOW Amazon.com
8.5
BUY NOW
Amazon.com
7
Pedigree Complete Nutrition Adult Dry Dog Food, Roasted Chicken & Vegetable Flavor, 18 lb. Bag
Pedigree Complete Nutrition Adult Dry Dog Food, Roasted Chicken & Vegetable Flavor, 18 lb. Bag
BUY NOW Amazon.com
8.2
BUY NOW
Amazon.com

*Note: The score is based on our AI score (Editor’s choice and rating).
Bully Max Dry Dog Food for Adults & Pupppies - High Protein & Fat for Muscle & Weight Gain - High Performance Dog Food Supplements - Small & Large Breed Dogs (535 Calories Per Cup), Chicken, 5lb Bag

Bully Max Dry Dog Food for Adults & Pupppies - High Protein & Fat for Muscle & Weight Gain - High Performance Dog Food Supplements - Small & Large Breed Dogs (535 Calories Per Cup), Chicken, 5lb Bag

$34.97
$25.99
 in stock
BUY NOW
Amazon.com
as of November 3, 2025 10:39 pm

Features

  • OPTIMAL MUSCLE & WEIGHT GAIN: Bully Max 30/20 High Protein Dog Food, the ONLY 5-star rated performance dog food by the world’s #1 online dog food review site, is designed for healthy weight gain and rapid muscle growth. With 30% more protein and 20% more fat than traditional options and a substantial 535 calories per cup, it efficiently nourishes your dog. This results in lower serving sizes with the same major dog fuel, particularly active breeds, receives ample energy for daily activities.
  • HIGH PROTEIN, BALANCED DIET: Bully Max 30/20, with its meat-based formula rich in Chicken Meal & White Fish, provides high-quality protein for dog health. Infused with Chicken Fat for essential fats, Dried Plain Beet Pulp for fiber, and Whitefish Meal for omega fatty acids, plus natural dry dog food vitamins, minerals, and trace nutrients. Supports healthy weight management, overall dog health and vitality across all dog breeds & sizes. Quality checked for freshness to avoid odor or spoilage.
  • ENHANCED CALORIC DENSITY: With 535 calories per cup, this high protein dog food is one of the most calorie-rich options available. Ideal for large breed puppies & adult dogs, it lets you feed up to 50% less while delivering optimal nutrition. Crafted to minimize metallic or lingering odors. Aroma, texture & flavor appeal to picky eaters. Formulated with premium natural ingredients, it's not just the best dry dog food for energy & growth but also a smarter, more efficient way to nourish your dog.
  • COMPREHENSIVE NUTRITION FOR ALL DOG BREEDS AND AGES: Designed to cater to every dog, Bully Max 30/20 Dog Food is suitable for small and large breeds at any life stage. This tasty chicken blend dry dog food meets AFFCO standards for complete & balanced nutrition, making it a top choice for all breeds, including champion show dogs. It supports a healthy, vibrant lifestyle from playful puppies to active adults. Free from these common allergens: corn, wheat, soy, by-products & artificial additives.
  • UNMATCHED BULLY MAX QUALITY: Made in the USA with globally sourced ingredients, Bully Max upholds exceptional manufacturing standards with a strict triple-check system for unmatched safety and quality, boasting zero recalls. Bully Max is dedicated to superior pet care, providing a spectrum of vet-approved, high-performance, wet dog food and dry dog foods, along with premium puppy & dog supplements, to guarantee top-quality canine nutrition for puppies and senior dogs.
Pedigree High Protein Adult Dry Dog Food, Beef and Lamb Flavor, 18 lb. Bag

Pedigree High Protein Adult Dry Dog Food, Beef and Lamb Flavor, 18 lb. Bag

$20.98  in stock
2 new from $20.98
Free shipping
BUY NOW
Amazon.com
as of November 3, 2025 10:39 pm

Features

  • Complete and Balanced: Pedigree High Protein Adult Dry Dog Food is 100% complete and balanced food for adult dogs, bringing a nutritious meal to your pet
  • Made With Real Meat: This dry dog food recipe is made with real red meat and 25% more protein compared to Adult Complete Nutrition, giving your dog a familiar flavor they will love
  • Supports Everyday Health: This dry dog food recipe is made with 36 vitamins, minerals, and amino acids to support your dog’s health and vitality
  • Highly Digestible Dog Food Recipe: Pedigree High Protein Adult Dry Dog Food is made with only natural flavors and includes prebiotic fibers to support healthy digestion
  • Supports Healthy Skin and Coat: This dry dog food recipe is enriched with Omega 6 Fatty Acid and Zinc to help nourish a healthy skin and coat
VICTOR Super Premium Dog Food – Hi-Pro Plus Dry Kibble – High Protein Dog Food with 30% Protein – Beef, Chicken, Pork, Fish Meals, Gluten Free - for High Energy and Active Dogs & Puppies, 30lbs

VICTOR Super Premium Dog Food – Hi-Pro Plus Dry Kibble – High Protein Dog Food with 30% Protein – Beef, Chicken, Pork, Fish Meals, Gluten Free - for High Energy and Active Dogs & Puppies, 30lbs

$55.99  in stock
3 new from $55.99
Free shipping
BUY NOW
Amazon.com
as of November 3, 2025 10:39 pm

Features

  • ACTIVE DOG FOOD: VICTOR’s Hi-Pro Plus formula is a gluten free, high protein dog food with a nutrient-dense, multi meat formula; this dry dog food’s super premium nutrition provides sustained energy for sporting dogs and dogs with high physical demands
  • HIGH PROTEIN DOG FOOD: Packed with premium-quality beef, chicken, pork and fish meals; With 30% protein and 20% fat, it provides young dogs and mothers with key nutrients for healthy growth and vitality, making VICTOR Hi-Pro Plus a reliable choice
  • FROM PUPPY TO ADULT: Suitable for all life stages, this premium dog food is ideal for pregnant dogs, lactating females and puppies; VICTOR Hi-Pro Plus for Dogs is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for All Life Stages, making it one of the best dog foods for all sizes, except for growth of large size dogs (70 lb. or more as an adult)
  • PROPRIETARY VPRO BLEND: This super premium dry dog food has been formulated with our exclusive mix of supplements, vitamins and minerals which help maximize the genetic potential of every dog, regardless of breed, age, or activity level
  • MADE IN THE USA: We proudly produce every bag of VICTOR kibble in our own Texas-based facility and do not waver in our commitment to high-quality nutrition. A majority of ingredients of our pet food come from ranches, farms and other trusted suppliers who are within a day’s drive of our East Texas plant
Pedigree Complete Nutrition Adult Dry Dog Food, Grilled Steak & Vegetable Flavor, 18 lb. Bag

Pedigree Complete Nutrition Adult Dry Dog Food, Grilled Steak & Vegetable Flavor, 18 lb. Bag

$29.99  in stock
2 new from $29.99
BUY NOW
Amazon.com
as of November 3, 2025 10:39 pm

Features

  • Complete and Balanced: Pedigree Complete Nutrition Adult Dry Dog Food, Grilled Steak & Vegetable Flavor is 100% complete and balanced food for adult dogs, bringing a nutritious meal to your pet
  • Supports Everyday Health: This dry dog food recipe is made with 36 vitamins, minerals, and amino acids to support your dog’s health and vitality
  • High Quality Protein Dog Food: Supports lean muscle with high-quality protein
  • Highly Digestible Dog Food Recipe: Pedigree Complete Nutrition, Adult Dry Dog Food, Grilled Steak & Vegetable Flavor is made with only natural flavors and includes prebiotic fibers to support healthy digestion
  • Supports Healthy Skin and Coat: This dry dog food recipe is enriched with Omega 6 Fatty Acid and Zinc to help nourish a healthy skin and coat
Bully Max Puppy Food 24/14 High Protein & Growth Formula - Dry Dog Food with Lamb and Rice for Small Dogs and Large Breed Puppies - Natural, Slow-Cooked, Sensitive Stomach Pet Food, 5-Pound Bag

Bully Max Puppy Food 24/14 High Protein & Growth Formula - Dry Dog Food with Lamb and Rice for Small Dogs and Large Breed Puppies - Natural, Slow-Cooked, Sensitive Stomach Pet Food, 5-Pound Bag

$26.99  in stock
BUY NOW
Amazon.com
as of November 3, 2025 10:39 pm

Features

  • NUTRIENT-RICH PUPPY GROWTH FORMULA: Bully Max Dog Food features a 24/14 High Protein & Growth formula, boasting 419 calories per cup for the energy needs of growing puppies. Enriched with vitamins A, B12, C, D, E, K, and postbiotics for gut and immune support, perfect for all breeds, including large breed and small breed puppies. It also promotes healthy skin and provides itch relief, thanks to Omega fatty acids, making it an excellent choice for your puppy's overall development and well-being.
  • REAL MEAT PROTEIN SOURCE: Happy tummy makes a happy puppy. With lamb as its main ingredient, this high-protein and chicken-free dog food (24% protein and 14% fat) includes pork and brown rice for a delightful, meat-rich meal. Offering optimal nutrition for growing puppies, it's designed to cater to various breeds, from French Bulldogs to German Shepherds, and is gentle on sensitive stomachs, promoting overall health and well-being.
  • FOR ALL DOG BREEDS: Bully Max High Performance dry lamb dog food is tailored for every puppy, fitting all breeds from small, medium to large, including Bulldogs, Pitbulls, and Frenchies. Ideal for various needs like sensitive stomachs and small breed nutrition, each cup offers 419 calories, perfectly balanced to meet the diverse dietary needs of young canines. Recognized as one of the highest-rated puppy foods, it ensures comprehensive nourishment for your growing pet.
  • FULLY DISCLOSED INGREDIENTS: Bully Max offers transparency and peace of mind with its True Label or Full Label Disclosure. Every ingredient, from essential puppy kibble nutrients to high-protein sources, is completely listed, eliminating concerns over undisclosed blends. This clarity is ideal for owners seeking the best for their puppies' health, be it large breed or small breed. Our dog food ensures informed choices for optimal puppy nutrition and development.
  • EXCEPTIONAL MANUFACTURING STANDARDS: Made in the USA with globally sourced ingredients, our products are clean and free from corn, soy, wheat, and chemicals. As a family-owned business, Bully Max commits to excellence in pet care, offering a range of products including high performance and natural dog food with added vitamins, minerals, and trace nutrients, premium dog supplements and combo packs, ensuring top-quality nutrition for every dog or puppy.
Blue Buffalo Life Protection Formula Natural Adult Dry Dog Food, Chicken and Brown Rice 5-lb Trial Size Bag

Blue Buffalo Life Protection Formula Natural Adult Dry Dog Food, Chicken and Brown Rice 5-lb Trial Size Bag

$17.99
$14.98
 in stock
10 new from $14.98
Free shipping
BUY NOW
Amazon.com
as of November 3, 2025 10:39 pm

Features

  • REAL MEAT FIRST: Blue Buffalo foods always feature real meat as the first ingredient; High-quality protein from real chicken helps your dog build and maintain healthy muscles; Plus they contain wholesome whole grains, garden veggies and fruit
  • FOR ADULT DOGS: BLUE Life Protection Formula adult dog food contains essential proteins and carbohydrates to help meet the energy needs of adult dogs, and features omega 3 & 6 fatty acids to promote a shiny coat and healthy skin
  • ANTIOXIDANT-RICH LIFESOURCE BITS: A precise blend of antioxidants, vitamins and minerals carefully selected by holistic veterinarians and animal nutritionists to support immune system health, life stage needs and a healthy oxidative balance
  • A NATURAL DOG FOOD: BLUE dry dog food is made with the finest natural ingredients enhanced with vitamins and minerals; BLUE contains NO chicken (or poultry) by-product meals, corn, wheat, soy, artificial flavors or preservatives
  • Contains one (1) 5 lb. Bag of BLUE Life Protection Formula Adult Dry Dog Food, Chicken and Brown Rice
Pedigree Complete Nutrition Adult Dry Dog Food, Roasted Chicken & Vegetable Flavor, 18 lb. Bag

Pedigree Complete Nutrition Adult Dry Dog Food, Roasted Chicken & Vegetable Flavor, 18 lb. Bag

$16.98  in stock
4 new from $16.98
Free shipping
BUY NOW
Amazon.com
as of November 3, 2025 10:39 pm

Features

  • Complete and Balanced: Pedigree Complete Nutrition Adult Dry Dog Food, Roasted Chicken & Vegetable Flavor is 100% complete and balanced food for adult dogs, bringing a nutritious meal to your pet
  • Supports Everyday Health: This dry dog food recipe is made with 36 vitamins, minerals, and amino acids to support your dog’s health and vitality
  • High Quality Protein Dog Food: Supports lean muscle with high-quality protein
  • Highly Digestible Dog Food Recipe: Pedigree Complete Nutrition, Adult Dry Dog Food, Roasted Chicken & Vegetable Flavor is made with only natural flavors and includes prebiotic fibers to support healthy digestion
  • Supports Healthy Skin and Coat: This dry dog food recipe is enriched with Omega 6 Fatty Acid and Zinc to help nourish a healthy skin and coat

How to Choose Best Dog Food At Walmart For Pitbulls

1. Read the Tag
The first step in choosing the appropriate pet food is to meticulously review the label. Search for the active ingredient listing and make certain that the very first couple of provided ingredients are genuine protein resources, such as chicken or beef. Avoid pet dog foods which contain fillers such as corn, wheat, and soy, as these components supply little dietary worth and can create digestion issues in your animal.

2. Consider Your Pet’s Age and Health
As your pet dog ages, so do their nutritional requirements. Pups, adult pet dogs, and senior dogs all require various sorts of nourishment. In addition, if your canine has details health worries, such as allergic reactions or gastrointestinal problems, you might require to feed them a unique diet plan. Speak with your vet for assistance and recommendations on what type of pet dog food is best for your specific pet dog.

3. Select High-quality Brands
Not all pet dog food brand names are developed equivalent, so it is necessary to choose a premium brand. Avoid dog food brand names that are understood to have a great deal of recalls or adverse testimonials. Some well-known brands utilize better top quality ingredients and have a much better track record for producing high quality pet dog food. Purchasing a known high quality brand name can likewise give you satisfaction, recognizing that your pet dog is eating a well-regarded food.

4. Check for AAFCO Approval
The Organization of American Feed Control Officials (AAFCO) sets nutrition requirements for pet food in the United States. Seek pet dog foods that have been accepted by AAFCO to ensure that your pet dog is getting the nourishment they require. AAFCO-approved dog foods need to meet specific nutritional demands and have undergone screening to ensure that they fulfill AAFCO criteria.

5. Take note of Your Canine’s Reactions
After you’ve chosen a pet food, focus on how your pet responds to it. If they seem to have an indigestion, skin inflammation, or have an uncommon defecation, it could be the pet food that’s annoying them. If this happens, stop feeding them that certain food and call your veterinarian.

Conclusion:
Choosing the most effective pet dog food for your pet dog requires a little research study and understanding. Checking out the label, considering your dog’s age and health and wellness, choosing top quality brands, checking for AAFCO authorization, and taking note of your pet’s reactions are vital action in making the very best choice for your hairy good friend. Keep in mind that every pet dog has distinct dietary needs, and what could help one pet might not benefit one more. For that reason, constantly look for expert recommendations from your vet. By taking your time to pick the appropriate pet food, you’ll have the ability to give your pet dog the nourishment they need to be delighted and healthy.

Share
facebookShare on FacebooktwitterShare on TwitterpinterestShare on Pinterest
linkedinShare on LinkedinvkShare on VkredditShare on ReddittumblrShare on TumblrviadeoShare on ViadeobufferShare on BufferpocketShare on PocketwhatsappShare on WhatsappviberShare on ViberemailShare on EmailskypeShare on SkypediggShare on DiggmyspaceShare on MyspacebloggerShare on Blogger YahooMailShare on Yahoo mailtelegramShare on TelegramMessengerShare on Facebook Messenger gmailShare on GmailamazonShare on AmazonSMSShare on SMS
Post navigation
Previous post

Best Dog Food For A Blue Nose Pitbull

Next post

Best Dog Food Brands For Yorkies

Arthur Crowley

Arthur Crowley

To provide you with the expert assistance you need, Vet Ranch with licensed veterinarians can answer your health-related pet issues.

For the purpose of sharing knowledge with each other, we have jointly created this website, where you can get useful information from us and also where we expand our knowledge through your comments from you.

Related Posts

Best Dog Food At Walmart For Pitbulls

UltraK9 Pro Expert Reviews – Is it the #1 Nutrients For Pet Health

Best Dog Food At Walmart For Pitbulls

Best Dog Food For Adult

Best Dog Food At Walmart For Pitbulls

Best Dog Food For Adding Weight

Best Dog Food At Walmart For Pitbulls

Best Dog Food For Active Senior Dogs

Best Dog Food At Walmart For Pitbulls

Best Dog Food For Active Puppies

Best Dog Food At Walmart For Pitbulls

Best Dog Food For Active Labs

Best Dog Food At Walmart For Pitbulls

Best Dog Food For Chocolate Lab Puppies

Best Dog Food At Walmart For Pitbulls

Best Dog Food For Active Hunting Dogs

Affiliate disclaimer

Vet Ranch (vetranch.org) is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates.

Affiliate Disclaimer

Vet Ranch (vetranch.org) is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates.

Category

Best Product

Review

Blog

Page

  • About Us
  • Contact Us
  • Affiliate Disclaimer
  • Privacy Policy

Follow us on social

VET RANCH LOGO
FacebookFacebookTwitterInstagramYoutubeYoutube
Copyright © 2025 Vet Ranch
Your privacy

By selecting "Accept all cookies," you consent to Vetranch storing cookies on your device and disclosing information in accordance with our Privacy policy

Menu
  • Home
  • Pet Animals
    • Dog
      • Dog Crate
      • Dog House
      • Dog Nail
      • Dog Shampoo
      • Dog Bed
      • Dog Harness
      • Dog Door
      • Dog Muzzles
      • Dog Car Seat
      • Dog Feeder
      • Dog Harness
      • Dog Kennel
      • Dog Pen
    • Cat
      • Cat Carrier
      • Cat Clipper
      • Cat Couch
      • Cat exercise wheel
      • Cat Litter
      • Cat Litter Box
      • Cat scratching post
      • Cat stroller
      • Cat Tracker
      • Cat Tree
      • Cat Vacuum
    • Bird
      • Bird Camera Feeder
      • Bird Stand
      • Bird Bath
      • Bird Cage
      • Bird Crate
      • Bird Feeder
      • Bird Seed
    • Rabbit
      • Rabbit Cage
      • Rabbit Hutch
    • Fish
      • Fish Tank
      • Fish Aquarium
    • Pet Stroller
  • Knowledge
    • Best Product
    • Review
    • Blog
  • About Us
  • Contact Us
  • Write for Us
FacebookTwitterPinterest