Email Sign-Up Go to Shopping Cart (0)
 
 
TOP 10 MOST TRUSTWORTHY ONLINE RETAILER - 100% SATISFACTION GUARANTEED - FREE SHIPPING on orders $49 or more*
Get a $15 Gift Certificate
Helpful Links:
Email Sign Up »
FREE Catalogs »
Gift Certificates »
Flea & Tick Control »
Prescription Heartgard »


Shop Foods

Tetra Immune System Foods

44 results
x

Hill's® Science Diet® Canned Kitten Foods

SAVE!
As low as $19.22
Soft, minced, pâté-style food with high-quality ingredients kittens adore Complete, precisely balanced nutrition meets kittens' higher energy and nutrient needs 2 formulas promote strong bones, healthy digestion, immune health, and skin & coat health Soft, minced, pâté-style food meets kittens' higher energy and nutrient needs with precisely balanced nutrition. Hill's Science Diet® Canned ...
View More
x

Nutro® Natural Choice® Sensitive Skin & Stomach Venison Meal & Whole Brown Rice Formula

SAVE!
As low as $15.29
Wholesome food for dogs with sensitive skin & stomachs has a unique animal protein Sensitive stomach dog food contains limited ingredients to support normal digestion Tasty dog kibble contains patented vitamin levels to promote skin hydration & glossy coat Help minimize stomach sensitivity and promote normal skin and shiny haircoat through nutrition. This formula, created especially for dogs ...
View More
x

Nutro® Natural Choice® Limited Ingredient Diet Small Bites Lamb & Whole Brown Rice Adult ...

SAVE!
As low as $27.99
Small kibble satisfies smaller dogs and dogs who simply prefer smaller kibble Fewer ingredients and no corn gluten meal, wheat, or soy protein - ideal for dogs with food sensitivities Primary ingredients include real Australian and New Zealand lamb & whole brown rice Tasty dry dog food contains vitamins, minerals, antioxidants, Omega-6 fatty acids, & more Formulated with fewer ingredients ...
View More
x

Vita Prima Cockatiel Formula

As low as $6.99
Unique bird food includes egg for digestive health Added probiotics and antioxidant nutrients support both digestive and immune systems. Tropical fruits and vegetable suit your cockatiel or lovebird Advanced cockatiel food harnesses centuries of European aviculture for better health. Delicious mixture contains an egg pellet mixed with apples, tropical fruits, and vegetables to offer an ...
View More
x

Cobalt Aquatics Marine Omni Flake & Pellet Fish Foods

As low as $19.99
Probiotic-enhanced fish food satisfies the nutritional needs of all marine omnivores Premium flakes or pellets support fish growth & color with squid, salmon, krill, spirulina, kelp, and more Signature blue flakes or blue pellets with concentrated vitamins support immune health Cobalt Aquatics Marine Omni Flake & Pellet Fish Foods contain a powerful nutritional blend for all marine fish. ...
View More
x

Cobalt Aquatics Marine Vegi Flake & Pellet Fish Foods

As low as $32.99
Probiotic-enhanced fish food satisfies the nutritional needs of all marine herbivores Premium flakes or pellets support fish growth & color with spirulina, kelp, plankton, squid, and more Signature blue flakes or blue pellets with concentrated vitamins support immune health Cobalt Aquatics Marine Vegi Flake & Pellet Fish Foods contain a complete nutritional blend for all marine herbivorous ...
View More
x

Cobalt Aquatics Discus Hans Flake & Pellet Fish Foods

As low as $34.99
Probiotic-enhanced nutritional blend co-developed with renowned discus expert Discus Hans Premium flakes or pellets support discus health and color with krill, spirulina, and more Signature blue flakes or blue pellets with concentrated vitamins support immune health Feed your discus a powerful nutritional blend co-developed with renowned discus expert Discus Hans. Cobalt Aquatics Discus Hans ...
View More
x

Hill's Prescription Diet r/d Canine Dry Dog Food

As low as $26.67
Helps metabolize fat and maintain lean muscle Helps your dog feel full & satisfied Supports a healthy immune system Just like the human epidemic, almost 50% of the pet population is overweight. Even a little extra weight can impact the pet's quality of life and relationship with family because that extra weight can reduce playtime, impact mobility, and affect the ...
View More
x

Nutro Ultra Senior Dry Dog Food

SAVE!
As low as $14.39
Formulated for the special needs of senior dogs over 5 years of age Three animal proteins from chicken, lamb meal and salmon meal help promote lean muscle mass Rich in essential fatty acids for a healthy skin and a shiny coat Natural sources of glucosamine and chondroitin help promote healthy joints USA-made Nutro Ultra Senior Chunks in Gravy dog food ...
View More
x

Nature's Recipe Healthy Skin Venison Meal & Rice Recipe Adult Dry Dog Food

SAVE!
As low as $41.99
Delectable formula with venison meal & rice provides complete, balanced nutrition Formulated to support skin & coat health Added vitamins, minerals, and much more to support overall health Formulated with oatmeal to help support gastrointestinal tract health Nature's Recipe Healthy Skin Venison Meal & Rice Recipe Adult Dry Dog Food offers your adult dog wholesome, complete, and balanced ...
View More
x

Vita Prima Parrot Formula

As low as $8.99
Unique bird food includes Quiko® egg for digestive healthAdded antioxidant spirulina helps boost the immune systemTropical fruits and vegetables appeal to any parrot species Advanced parrot food harnesses centuries of European aviculture for better health. Delicious mixture contains protein and other nutrients from whole egg. It is then mixed with tropical fruits and vegetables, including ...
View More
x

Pro Plan Bright Mind Chicken & Rice Adult 7+ Dog Food

SAVE!
As low as $44.99
Chicken is the first ingredient Enhanced botanical oils shown to promote alertness in dogs 7+ Pro Plan dog food balances protein and fats to support ideal body condition Visible results within 30 days Pro Plan Bright Mind Chicken & Rice Adult 7+ Dog Food provides enhanced botanical oils that are shown to promote alertness and mental sharpness in dogs 7+ ...
View More
x

Vitakraft VitaSmart Parrot & Conure Food Sunflower-Free Formula

As low as $8.99
Contains guaranteed probiotic levels to support health digestion Includes Omega fatty acids, including the powerful Omega-3- DHA for overall wellness of all body systems Contains no sunflower seeds, which can increase fat content Finally, balanced formula with no sunflower seeds to pick out and fill up on. VitaSmart is a great foundational food for conures and parrots. Just add fresh ...
View More
x

Wellness Complete Health Deboned Chicken & Barley Senior Dog Food

SAVE!
As low as $31.98
Supports weight maintenance, hip/joint health, skin and coat health Dry formula with natural ingredients - no wheat, corn or soy Senior formula dog food made in the USA Veterinarians generally consider small dogs to be senior at about 12 years of age, while large dogs reach the senior stage at 6 to 8 years. Every ingredient in Wellness Complete Health ...
View More
x

Hill's Prescription Diet r/d Canine Canned Dog Food

As low as $31.31
Helps metabolize fat and maintain lean muscle Helps your dog feel full & satisfied Supports a healthy immune system Just like the human epidemic, almost 50% of the pet population is overweight. Even a little extra weight can impact the pet's quality of life and relationship with family because that extra weight can reduce playtime, impact mobility, and affect the ...
View More
x

Blue Buffalo Homestyle Recipe Turkey Meatloaf Canned Adult Dog Food

SAVE!
As low as $25.39
Canned adult dog food with tasty, nutritious turkey as the first ingredient Natural food contains veggies, fruit, vitamins & minerals to support overall health Contains special LifeSource Bits, packed with vitamins, minerals, and antioxidants Does not include poultry by-product meal or use wheat as a thickening agent BLUE Buffalo Homestyle Recipe Dinner Canned Dog Food provides your canine ...
View More
x

Vita Prima Parakeet Formula

As low as $5.99
Delicious diet for budgies and parakeets contains balanced nutrients and essential amino acids Parakeet food addresses skin, feather, immune system, and digestive health Diet for budgerigars contains guaranteed levels of DHA, the Omega-3 powerhouse Perfected daily diet for parakeets and budgerigars (budgies). This diverse seed-based diet contains dried egg and other ingredients designed to ...
View More
x

Hill's® Prescription Diet® l/d® Canine Hepatic Health Canned Dog Food

As low as $35.50
High-quality and highly digestible protein in moderate quantities to help reduce liver workload and maintain liver functio Added L-Carnitine to help maintain normal fat metabolism in the liver Added antioxidant nutrients like Vitamin E and C to control cell oxidation and promote a healthy immune system Reduced in sodium to help maintain normal blood pressure The liver is your dog's ...
View More
x

Hill's Prescription Diet t/d Canine Dental Health Small Bites Dry Dog Food

As low as $19.88
Unique kibble scrubs away laden plaque in the mouth to promote systemic health Clinically proven to reduce plaque, stain and tartar buildup in dogs under 20 lbs body weight Reduces bad breath Added antioxidants to control cell oxidation and promote a healthy immune system Awarded the Veterinary Oral Health Council (VOHC) Seal of Acceptance for helping reduce both plaque and ...
View More
x

Hill's® Prescription Diet® l/d® Canine Hepatic Health Dry Dog Food

As low as $67.41
High-quality and highly digestible protein in moderate quantities to help reduce liver workload and maintain liver function Added L-Carnitine to help maintain normal fat metabolism in the liver Added antioxidant nutrients like Vitamin E and C to control cell oxidation and promote a healthy immune system Reduced in sodium to help maintain normal blood pressure The liver is your dog's ...
View More
x

Hill's® Prescription Diet® u/d® Canine Non-Struvite Urinary Tract Health Dry Dog Food

As low as $31.03
Reduced levels of protein and calcium help limit the formation of bladder stones Added taurine and high levels of L-carnitine help maintain healthy heart muscle function Added antioxidants promote a healthy immune system Bladder stones are collections of mineral crystals that combine in the urinary tract. They can cause discomfort and lead to more serious problems that require the care ...
View More
x

Hill's Prescription Diet t/d Canine Dental Health Dry Dog Food

As low as $19.88
Unique kibble scrubs away plaque in the mouth to promote systemic health Clinically proven to reduce plaque, stain and tartar buildup Reduces bad breath Added antioxidants to control cell oxidation and promote a healthy immune system Awarded the Veterinary Oral Health Council (VOHC) Seal of Acceptance for helping reduce both plaque and tartar accumulation Dental care for your pet may ...
View More
x

Hill's® Prescription Diet® i/d® Stress Canine Dry Dog Food

As low as $66.92
Formulated to help manage stress Helps improve digestion and stool quality Promotes beneficial microflora Calms and soothes digestive tract Supports a healthy immune system Just like humans, some dogs experience stress, which may negatively impact their overall health. Stress causes intestinal microflora imbalance and increases intestinal movement resulting in digestive upset, a thoroughly ...
View More
x

Cobalt Aquatics Mysis Flake & Pellet Fish Foods

As low as $219.99
Probiotic-enhanced fish food satisfies the nutritional needs of all tropical and marine fish Premium flakes or pellets support fish health, growth, and color with Mysis shrimp, krill, spirulina, and more Signature blue flakes or blue pellets with concentrated vitamins support immune health Mysis shrimp, salmon fish meal, krill, spirulina, earthworm, and more satisfy the nutritional needs of ...
View More
x

Cobalt Aquatics Mysis Spirulina Flake & Pellet Fish Foods

As low as $679.99
Probiotic-enhanced fish food satisfies the nutritional needs of all tropical and marine herbivores and omnivores Premium flakes or pellets support fish growth and color with Mysis shrimp, spirulina, krill, kelp, and more Signature blue flakes or blue pellets with concentrated vitamins support immune health Mysis shrimp, spirulina algae, and many more beneficial ingredients create a highly ...
View More
x

Royal Canin Mini Size Health Nutrition Adult Dry Dog Food

SAVE!
As low as $10.98
Specifically created to meet the unique nutritional needs of small breeds Specially formulated for intense energy needs of small dogs Contains antioxidants to support a normal, growing immune system Small dogs need more than just a small kibble. They need more energy than big dogs, and they have a shorter and more intense growth period. Plus, they typically live longer ...
View More
x

Nutro Ultra Large Breed Adult Dry Dog Food

SAVE!
As low as $48.59
Essential proteins help maintain lean muscle USA-made food offers natural oils for healthy skin and lustrous coat Antioxidant-rich ingredients help support a healthy immune system Nutro Ultra Large Breed Adult Dry Dog Food contains a combination of sunflower and flaxseed to deliver Omega fatty acids that support a healthy skin and a soft, shiny coat. Three high-quality animal proteins provide ...
View More
x

Hill's® Prescription Diet® b/d® Canine Healthy Aging & Alertness Dry Dog Food

As low as $54.31
Clinically tested to support memory and learning ability in older dogs Antioxidants to help protect brain cells and support a healthy immune system High levels of L-carnitine to help preserve muscle mass Clinically-proven brain health nutrition. High in Omega-3 fatty acids to support brain health. This diet has appropriate levels of protein, phosphorus, and sodium to promote heart and kidney ...
View More
x

Pro Plan Natural Grain Free Tuna & Egg Formula Adult Dog Food

SAVE!
As low as $40.99
No corn, wheat or soy Tuna is the #1 ingredient No added colors, flavors or preservatives Antioxidants support a healthy immune system Pro Plan Natural Grain Free Tuna & Egg Adult Dog Food has high-quality protein, including tuna as the first ingredient. It includes no corn, wheat or soy, offering more easily digestible sources of energy instead. Omega-6 fatty acids, ...
View More
x

Nutro Ultra Adult Dry Dog Food

SAVE!
As low as $29.99
USA-made dog food full of high-quality proteins, fruits and vegetables Nutro dog food features chicken, lamb meal and salmon meal Provides antioxidants to support a healthy immune system This nutrient-rich dry dog food is full of natural ingredients that support all areas of your dog's wellness including immune system, skin and coat, and heart health. This Nutro dog food features ...
View More
x

Nutro Savory Lamb & Rice Recipe Premium Loaf Adult Canned Dog Food

SAVE!
As low as $21.48
Nutrients for a healthy metabolism Real lamb is the primary protein source Formulated for healthy skin and coat Made in the USA This food provides balanced nutrition that's easy on your dog's stomach. This natural, wet dog food uses real lamb and highly digestible brown rice for easier digestion. The nutrient-rich formula also helps promote a healthy metabolism. It includes ...
View More
x

Hill's® Prescription Diet® g/d® Canine Early Cardiac-Healthy Aging Dry Dog Food

As low as $31.03
Reduced phosphorus to help minimize stress on aging kidneys Reduced sodium to help maintain normal blood pressure Reduced protein to help decrease kidney workload Optimal fat levels to reduce pancreatic workload As dogs age, they may require food designed to help reduce nutrient excesses that could be harmful to their system. For example, high levels of sodium, phosphorus and protein ...
View More
x

Pro Plan Focus Large Breed Beef & Rice Entrée Adult Canned Dog Food

SAVE!
As low as $14.45
Complete and balanced nutrition Enriched with key nutrients Helps support healthy joints in your large breed adult dog Packaged in easy to open, flip-top cans Pro Plan Focus Large Breed Adult Canned Dog Food has complete and balanced nutrition enriched with key nutrients that help support healthy joints in your large breed adult dog. Protein sources include beef, liver, and ...
View More
x

Nutro Ultra Small Breed Adult Dry Dog Food

SAVE!
As low as $22.49
Easy to chew kibble ideal for small breed dogs Three animal proteins from chicken, lamb and salmon help promote lean muscle mass Rich in essential fatty acids for a healthy skin and a shiny coat Antioxidant nutrients help build and maintain a healthy immune system Feed your small breed adult dog this formula with easier-to-chew kibble made just for him. ...
View More
x

Pro Plan Focus Large Breed Dog Food

SAVE!
As low as $39.59
Specialized food for large dogs weighing more than 50 lbs. Chicken provides protein for healthy muscles Optimal ratios of protein and fat for ideal weight Dry dog food supports joint health This delicious dry dog food features specialized nutrition for your large dog's unique needs. Complete and balanced food for large dogs needs to cater to their unique size and ...
View More
x

Nutro Ultra Weight Management Dog Food

SAVE!
As low as $14.69
Three high-quality protein sources support healthy muscle maintenance May help overweight dogs get back to a healthy weight Helps less active dogs maintain an optimum weight Made in the USA Nutro Ultra Weight Management Dog Food contains a combination of salmon meal, sunflower oil and flaxseed that are rich in essential fatty acids to support healthy skin and a soft, ...
View More
x

Royal Canin Maxi Size Adult 5+ Health Nutrition Dry Dog Food

SAVE!
As low as $49.49
For dogs between 56 and 100 lbs Rich in antioxidant Vitamin E and Vitamin C to support a healthy immune system Includes glucosamine and chondroitin to help support the joints Ingredients are finely ground to significantly improve digestibility Designed for adult dogs over 5 years of age between 56 and 100 lbs, this food has the big nutrition your big ...
View More
x

Nature's Recipe Lamb Meal & Rice Formula Adult Dry Dog Food

SAVE!
As low as $25.19
Delectable formula with lamb meal & rice provides complete, balanced nutrition Added vitamins, minerals, and much more to support overall health Highly palatable, easily digestible formula dogs enjoy Crunchy kibble helps remove tartar from teeth and supports dental health Nature's Recipe Lamb Meal & Rice Formula Adult Dry Dog Food offers a complete, all-natural diet for the most active years ...
View More
x

Hill's® Prescription Diet® d/d® Canine Skin Support Salmon Formula Canned Dog Food

As low as $38.99
Highly digestible single intact animal protein source and single carbohydrate source to help avoid common food sensitivities High levels of Omega-6 and Omega-3 fatty acids that help nourish the skin and coat Combination of antioxidants helps maintain a healthy immune system and skin barrier function Four different novel protein sources to provide more choices in managing food sensitivity ...
View More
x

Natural Balance L.I.D. Limited Ingredient Diets Sweet Potato & Fish Small Breed Bites Dog Food ...

SAVE!
As low as $14.49
Single source protein & single source carbohydrate blend for dogs with sensitivities Free from grain - no corn, soy or wheat Smaller kibble for smaller breeds, same great natural dry dog formula Complete and balanced high-quality ingredients Veterinarian tested and proven natural dry dog food formula for dogs, with a unique single source protein and single source carbohydrate blend. Sweet ...
View More
x

Eukanuba Breed Specific Yorkshire Terrier Adult Dog Food

SAVE!
As low as $10.99
Designed to nourish a Yorkshire's healthy skin & coat and overall health Omega fatty acids, zinc and copper for advanced skin and coat care Vitamins and minerals help support the immune system FOS promotes a healthy digestive tract and contributes to overall health 3D DentaDefense reduces tartar build-up by up to 80% Eukanuba Yorkshire Adult Dog Food is specifically made ...
View More
x

Hill's Prescription Diet n/d Canine Canned Dog Food

As low as $40.16
Clinically proven to help improve quality of life for dogs undergoing chemotherapy High level of protein to meet energy demand and to avoid muscle wasting High level of fat to increase caloric density and palatability to help acceptance by inappetant pets Low levels of carbohydrates High level of arginine and Omega-3 fatty acids to help stimulate the immune system For ...
View More
x

Hill's® Prescription Diet® d/d® Canine Skin Support Venison Formula Canned Dog Food

As low as $40.62
Highly digestible single intact animal protein source and single carbohydrate source to help avoid common food sensitivities High levels of Omega-6 and Omega-3 fatty acids that help nourish the skin and coat Combination of antioxidants helps maintain a healthy immune system and skin barrier function Four different novel protein sources to provide more choices in managing food sensitivity ...
View More
x

Nutro Ultra Weight Management Chunks in Gravy Adult Canned Dog Food

SAVE!
As low as $23.88
Full of healthy nutrient-dense ingredients to help get your dog back to its ideal weight Three animal proteins from chicken, lamb and salmon help promote lean muscle mass Rich in essential fatty acids for a healthy skin and a shiny coat Natural sources of glucosamine and chondroitin to help support mobility USA-made Nutro Ultra Weight Management Chunks in Gravy Adult ...
View More
 



Contact us
LIVE HELP
8 am - 8 pm CST
7 days a week

EMAIL US
CALL US
1-800-381-7179
7 am-10 pm, CST
7 days a week