Choose Autoship and get MVP Gold for FREE! (That's a $10 Value!) Explore Autoship
Cart
0
BaxterBoo.com
Autoship Save 15% on your 1st Autoship learn more
Brands
Health Feature
Special Diet
  1. Home
  2. New Arrivals
  3. (72 items)
Immune Support
Pea-Free
Super Antioxidant
Clear all

Immune Support

  • The Honest Kitchen Pour Overs Revive & Restore Dog Food Topper - Chicken & Pumpkin Stew
    Earn 5% in rewards!
    The Honest Kitchen Pour Overs Revive & Restore Dog Food Topper - Chicken & Pumpkin Stew
    Starting at:
    $37.51 
    Autoship
    $39.48 
  • Steve's Real Food Freeze-Dried Dog & Cat Protein Topper - Eggs Over Easy
    Earn 5% in rewards!
    Steve's Real Food Freeze-Dried Dog & Cat Protein Topper - Eggs Over Easy
    Starting at:
    $16.14 
    Autoship
    $16.99 
  • Acana Chewy Tenders Immune System Support Dog Treats - Chicken
    Earn 10% in rewards!
    Acana Chewy Tenders Immune System Support Dog Treats - Chicken
    Starting at:
    $14.24 
    Autoship
    $14.99 
  • Farm Hounds Duck Jerky Dog Treats
    Earn 10% in rewards!
    Farm Hounds Duck Jerky Dog Treats
    Starting at:
    $15.29 
    Autoship
    $16.99 
  • Farm Hounds Duck Strips Dog Treats
    Earn 10% in rewards!
    Farm Hounds Duck Strips Dog Treats
    Starting at:
    $13.49 
    Autoship
    $14.99 
  • Canine Caviar Dried Purple Sweet Potatoes Dog Treats
    Earn 10% in rewards!
    Canine Caviar Dried Purple Sweet Potatoes Dog Treats
    Starting at:
    $11.69 
    Autoship
    $12.99 
  • The New Zealand Natural Pet Food Co. Woof Freeze Dried Dog Food - Wild Goat
    Earn 5% in rewards!
    The New Zealand Natural Pet Food Co. Woof Freeze Dried Dog Food - Wild Goat
    Starting at:
    $9.49 
    Autoship
    $9.99 
  • Carna4 Fish Formula Dry Cat Food
    Earn 3% in rewards!
    Carna4 Fish Formula Dry Cat Food
    Starting at:
    $21.84 
    Autoship
    $22.99 
  • Carna4 Chicken Formula Dry Cat Food
    Earn 3% in rewards!
    Carna4 Chicken Formula Dry Cat Food
    Starting at:
    $21.84 
    Autoship
    $22.99 
    2.0 (1)
  • Orijen Amazing Grains Puppy Large Breed Dry Dog Food
    Earn 5% in rewards!
    Orijen Amazing Grains Puppy Large Breed Dry Dog Food
    Starting at:
    $100.69 
    Autoship
    $105.99 
    This item ships for FREE!
  • Orijen Amazing Grains Puppy Dry Dog Food
    Earn 5% in rewards!
    Orijen Amazing Grains Puppy Dry Dog Food
    Starting at:
    $29.44 
    Autoship
    $30.99 
  • Orijen Amazing Grains Original Dry Dog Food
    Earn 5% in rewards!
    Orijen Amazing Grains Original Dry Dog Food
    Starting at:
    $28.49 
    Autoship
    $29.99 
  • Dr. Marty Nature's Feast Essential Wellness Freeze-Dried Poultry Cat Food
    Earn 5% in rewards!
    Dr. Marty Nature's Feast Essential Wellness Freeze-Dried Poultry Cat Food
    Starting at:
    $16.14 
    Autoship
    $16.99 
  • Health Extension SuperBites Freeze-Dried Beef Recipe Meal Mixer Dog Food
    Earn 5% in rewards!
    Health Extension SuperBites Freeze-Dried Beef Recipe Meal Mixer Dog Food
    Starting at:
    $12.34 
    Autoship
    $12.99 
  • Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Chicken & Salmon
    Earn 5% in rewards!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Chicken & Salmon
    Starting at:
    $43.69 
    Autoship
    $45.99 
  • Smart Cookie Barkery Breakfast Dog Food Topper
    Earn 5% in rewards!
    Smart Cookie Barkery Breakfast Dog Food Topper
    Starting at:
    $23.74 
    Autoship
    $24.99 
  • Smart Cookie Barkery Veggie Dog Food Topper
    Earn 5% in rewards!
    Smart Cookie Barkery Veggie Dog Food Topper
    Starting at:
    $23.74 
    Autoship
    $24.99 
  • Smart Cookie Barkery Dinner Dog Food Topper
    Earn 5% in rewards!
    Smart Cookie Barkery Dinner Dog Food Topper
    Starting at:
    $28.49 
    Autoship
    $29.99 
  • Acana Wholesome Grains Puppy Recipe Dry Dog Food
    Earn 5% in rewards!
    Acana Wholesome Grains Puppy Recipe Dry Dog Food
    Starting at:
    $19.94 
    Autoship
    $20.99 
  • Clearance
    Taste of the Wild Ancient Wetlands with Ancient Grains Dry Dog Food
    Earn 5% in rewards!
    Taste of the Wild Ancient Wetlands with Ancient Grains Dry Dog Food
    Starting at:
    $19.99
  • Acana Freeze-Dried Patties Dog Food - Duck Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Patties Dog Food - Duck Recipe
    Starting at:
    $32.48 
    Autoship
    $34.19 
  • Acana Freeze-Dried Morsels Dog Food - Duck Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Morsels Dog Food - Duck Recipe
    Starting at:
    $19.94 
    Autoship
    $20.99 
  • Acana Freeze-Dried Patties Dog Food - Free-Run Turkey Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Patties Dog Food - Free-Run Turkey Recipe
    Starting at:
    $32.48 
    Autoship
    $34.19 
  • Acana Freeze-Dried Patties Dog Food - Free-Run Chicken Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Patties Dog Food - Free-Run Chicken Recipe
    Starting at:
    $32.48 
    Autoship
    $34.19 
  • Acana Freeze-Dried Morsels Dog Food - Free-Run Chicken Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Morsels Dog Food - Free-Run Chicken Recipe
    Starting at:
    $19.94 
    Autoship
    $20.99 
  • Acana Freeze-Dried Patties Dog Food - Ranch-Raised Beef Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Patties Dog Food - Ranch-Raised Beef Recipe
    Starting at:
    $32.48 
    Autoship
    $34.19 
  • Acana Freeze-Dried Morsels Dog Food - Ranch-Raised Beef Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Morsels Dog Food - Ranch-Raised Beef Recipe
    Starting at:
    $19.94 
    Autoship
    $20.99 
  • The Honest Kitchen Gourmet Grains Beef & Salmon Recipe Dehydrated Dog Food
    Earn 5% in rewards!
    The Honest Kitchen Gourmet Grains Beef & Salmon Recipe Dehydrated Dog Food
    Starting at:
    $51.20 
    Autoship
    $53.89 
    This item ships for FREE!
  • The Honest Kitchen Gourmet Grains Turkey & Fish Recipe Dehydrated Dog Food
    Earn 5% in rewards!
    The Honest Kitchen Gourmet Grains Turkey & Fish Recipe Dehydrated Dog Food
    Starting at:
    $46.54 
    Autoship
    $48.99 
  • The Honest Kitchen Gourmet Grains Chicken & Duck Recipe Dehydrated Dog Food
    Earn 5% in rewards!
    The Honest Kitchen Gourmet Grains Chicken & Duck Recipe Dehydrated Dog Food
    Starting at:
    $43.75 
    Autoship
    $46.05 
    5.0 (1)
  • Acana Wholesome Grains Sea to Stream Fish & Grains Recipe Dry Dog Food
    Earn 5% in rewards!
    Acana Wholesome Grains Sea to Stream Fish & Grains Recipe Dry Dog Food
    Starting at:
    $26.59 
    Autoship
    $27.99 
  • Clearance
    Taste of the Wild Ancient Stream with Ancient Grains Dry Dog Food
    Earn 5% in rewards!
    Taste of the Wild Ancient Stream with Ancient Grains Dry Dog Food
    Starting at:
    $38.99
  • The Honest Kitchen Whole Grain Veggie & Fruit Base Mix Dehydrated Dog Food
    Earn 5% in rewards!
    The Honest Kitchen Whole Grain Veggie & Fruit Base Mix Dehydrated Dog Food
    Starting at:
    $27.92 
    Autoship
    $29.39 
    5.0 (2)
  • The Honest Kitchen Whole Grain Fish & Oat Recipe Dehydrated Dog Food
    Earn 5% in rewards!
    The Honest Kitchen Whole Grain Fish & Oat Recipe Dehydrated Dog Food
    Starting at:
    $51.20 
    Autoship
    $53.89 
    This item ships for FREE!
  • Acana Singles Limited Ingredient Duck & Pear Recipe Grain-Free Dry Dog Food
    Earn 5% in rewards!
    Acana Singles Limited Ingredient Duck & Pear Recipe Grain-Free Dry Dog Food
    Starting at:
    $32.48 
    Autoship
    $34.19 
  • Sojos Complete Adult Grain-Free Freeze-Dried Dog Food - Beef Recipe
    Earn 5% in rewards!
    Sojos Complete Adult Grain-Free Freeze-Dried Dog Food - Beef Recipe
    Starting at:
    $37.99 
    Autoship
    $39.99 
  • Sojos Complete Adult Grain-Free Freeze-Dried Dog Food - Turkey Recipe
    Earn 5% in rewards!
    Sojos Complete Adult Grain-Free Freeze-Dried Dog Food - Turkey Recipe
    Starting at:
    $37.99 
    Autoship
    $39.99 
  • Acana Singles Limited Ingredient Lamb & Apple Recipe Grain-Free Dry Dog Food
    Earn 5% in rewards!
    Acana Singles Limited Ingredient Lamb & Apple Recipe Grain-Free Dry Dog Food
    Starting at:
    $32.48 
    Autoship
    $34.19 
  • Acana Wholesome Grains Small Breed Recipe Dry Dog Food
    Earn 5% in rewards!
    Acana Wholesome Grains Small Breed Recipe Dry Dog Food
    Starting at:
    $19.94 
    Autoship
    $20.99 
  • Acana Wholesome Grains Free-Run Poultry & Grains Recipe Dry Dog Food
    Earn 5% in rewards!
    Acana Wholesome Grains Free-Run Poultry & Grains Recipe Dry Dog Food
    Starting at:
    $19.94 
    Autoship
    $20.99 
  • Acana Wholesome Grains Limited Ingredient Duck & Pumpkin Recipe Dry Dog Food
    Earn 5% in rewards!
    Acana Wholesome Grains Limited Ingredient Duck & Pumpkin Recipe Dry Dog Food
    Starting at:
    $27.54 
    Autoship
    $28.99 
  • Acana Singles Limited Ingredient Beef & Pumpkin Recipe Grain-Free Dry Dog Food
    Earn 5% in rewards!
    Acana Singles Limited Ingredient Beef & Pumpkin Recipe Grain-Free Dry Dog Food
    Starting at:
    $29.63 
    Autoship
    $31.19 
  • Acana Wholesome Grains Limited Ingredient Lamb & Pumpkin Recipe Dry Dog Food
    Earn 5% in rewards!
    Acana Wholesome Grains Limited Ingredient Lamb & Pumpkin Recipe Dry Dog Food
    Starting at:
    $27.54 
    Autoship
    $28.99 
  • Acana Wholesome Grains Red Meat Recipe Dry Dog Food
    Earn 5% in rewards!
    Acana Wholesome Grains Red Meat Recipe Dry Dog Food
    Starting at:
    $20.89 
    Autoship
    $21.99 
  • Acana Singles Limited Ingredient Pork & Squash Recipe Grain-Free Dry Dog Food
    Earn 5% in rewards!
    Acana Singles Limited Ingredient Pork & Squash Recipe Grain-Free Dry Dog Food
    Starting at:
    $29.63 
    Autoship
    $31.19 
  • The New Zealand Natural Pet Food Co. Woof Manuka Honey Dog Treat and Food Topper
    Earn 10% in rewards!
    The New Zealand Natural Pet Food Co. Woof Manuka Honey Dog Treat and Food Topper
    Starting at:
    $26.59 
    Autoship
    $27.99 
  • Shameless Pets Banana Bone-anza Dental Sticks Dog Treats
    Earn 10% in rewards!
    Shameless Pets Banana Bone-anza Dental Sticks Dog Treats
    Starting at:
    $7.59 
    Autoship
    $7.99 
  • Shameless Pets Duck-Tato Jerky Bites Dog Treats
    Earn 10% in rewards!
    Shameless Pets Duck-Tato Jerky Bites Dog Treats
    Starting at:
    $7.59 
    Autoship
    $7.99 
  • Shameless Pets Applenoon Delight Soft Baked Dog Treats
    Earn 10% in rewards!
    Shameless Pets Applenoon Delight Soft Baked Dog Treats
    Starting at:
    $5.69 
    Autoship
    $5.99 
  • Shameless Pets Blueberried Treasure Soft Baked Dog Treats
    Earn 10% in rewards!
    Shameless Pets Blueberried Treasure Soft Baked Dog Treats
    Starting at:
    $5.69 
    Autoship
    $5.99 
    5.0 (1)
  • FirstMate Grain-Free Dog Food - Australian Lamb Meal
    Earn 5% in rewards!
    FirstMate Grain-Free Dog Food - Australian Lamb Meal
    Starting at:
    $27.55 
    Autoship
  • Clearance
    Canine Caviar Synthetic Free Duck Canned Dog Food Topper
    Earn 5% in rewards!
    Canine Caviar Synthetic Free Duck Canned Dog Food Topper
    Starting at:
    $7.99 
  • Clearance
    Canine Caviar Synthetic Free Turkey Canned Dog Food Topper
    Earn 5% in rewards!
    Canine Caviar Synthetic Free Turkey Canned Dog Food Topper
    Starting at:
    $5.49 
    5.0 (1)
  • Clearance
    FirstMate Grain Friendly Dog Food - Free Range Lamb & Oats
    Earn 5% in rewards!
    FirstMate Grain Friendly Dog Food - Free Range Lamb & Oats
    Starting at:
    $58.29
  • FirstMate Grain Free Dog Food - Chicken Meal with Blueberries
    Earn 5% in rewards!
    FirstMate Grain Free Dog Food - Chicken Meal with Blueberries
    Starting at:
    $27.55 
    Autoship
  • CocoTherapy Maggie's Macaroons Dog Treats - Coconut Vanilla Flax
    Earn 10% in rewards!
    CocoTherapy Maggie's Macaroons Dog Treats - Coconut Vanilla Flax
    Starting at:
    $14.37 
    Autoship
    $15.97 
    5.0 (5)
  • Petcurean Go! Solutions Skin + Coat Care Dry Dog Food - Lamb Recipe
    Earn 5% in rewards!
    Petcurean Go! Solutions Skin + Coat Care Dry Dog Food - Lamb Recipe
    Starting at:
    $17.09 
    Autoship
    $17.99 
  • Petcurean Go! Solutions Skin + Coat Care Dry Dog Food - Salmon Recipe
    Earn 5% in rewards!
    Petcurean Go! Solutions Skin + Coat Care Dry Dog Food - Salmon Recipe
    Starting at:
    $17.09 
    Autoship
    $17.99 
  • Sold Out!
    CocoTherapy Coco-Gold Organic Joint Health Food Topper for Dogs & Cats
    Earn 5% in rewards!
    CocoTherapy Coco-Gold Organic Joint Health Food Topper for Dogs & Cats
    Starting at:
    $34.17 
    Autoship
    $35.97 
  • Sold Out!
    The New Zealand Natural Pet Food Co. Woof Freeze Dried Dog Treat - Wild Goat
    Earn 10% in rewards!
    The New Zealand Natural Pet Food Co. Woof Freeze Dried Dog Treat - Wild Goat
    Starting at:
    $9.49 
    Autoship
    $9.99 
  • Sold Out!
    Health Extension SuperBites Freeze-Dried Salmon Recipe Meal Mixer Dog Food
    Earn 5% in rewards!
    Health Extension SuperBites Freeze-Dried Salmon Recipe Meal Mixer Dog Food
    Starting at:
    $42.74 
    Autoship
    $44.99 
  • Sold Out!
    Health Extension SuperBites Freeze-Dried Chicken Recipe Meal Mixer Dog Food
    Earn 5% in rewards!
    Health Extension SuperBites Freeze-Dried Chicken Recipe Meal Mixer Dog Food
    Starting at:
    $12.34 
    Autoship
    $12.99 
  • Sold Out!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Chicken & Chicken Liver
    Earn 5% in rewards!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Chicken & Chicken Liver
    Starting at:
    $43.69 
    Autoship
    $45.99 
  • Sold Out!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Tuna
    Earn 5% in rewards!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Tuna
    Starting at:
    $43.69 
    Autoship
    $45.99 
  • Sold Out!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Turkey & Duck
    Earn 5% in rewards!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Turkey & Duck
    Starting at:
    $45.99
  • Sold Out!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Salmon & Tuna
    Earn 5% in rewards!
    Wellness Healthy Indulgence Morsels Grain-Free Wet Cat Food - Salmon & Tuna
    Starting at:
    $43.69 
    Autoship
    $45.99 
  • Sold Out!
    Smart Cookie Barkery Superfood Dog Food Topper
    Earn 5% in rewards!
    Smart Cookie Barkery Superfood Dog Food Topper
    Starting at:
    $28.49 
    Autoship
    $29.99 
  • Sold Out!
    Acana Freeze-Dried Morsels Dog Food - Free-Run Turkey Recipe
    Earn 5% in rewards!
    Acana Freeze-Dried Morsels Dog Food - Free-Run Turkey Recipe
    Starting at:
    $19.94 
    Autoship
    $20.99 
  • Sold Out!
    Shameless Pets The Tooth Berry Dental Sticks Dog Treats
    Earn 10% in rewards!
    Shameless Pets The Tooth Berry Dental Sticks Dog Treats
    Starting at:
    $7.59 
    Autoship
    $7.99 
  • Sold Out!
    Shameless Pets Chick'n Colada Jerky Bites Dog Treats
    Earn 10% in rewards!
    Shameless Pets Chick'n Colada Jerky Bites Dog Treats
    Starting at:
    $7.59 
    Autoship
    $7.99 
  • Sold Out!
    FirstMate Grain-Free Dry Cat Food - Chicken Meal with Blueberries
    Earn 5% in rewards!
    FirstMate Grain-Free Dry Cat Food - Chicken Meal with Blueberries
    Starting at:
    $23.31 
    Autoship
  • Sold Out!
    Wellness Healthy Indulgence Shreds Grain Free Wet Cat Food - Tuna & Shrimp
    Earn 5% in rewards!
    Wellness Healthy Indulgence Shreds Grain Free Wet Cat Food - Tuna & Shrimp
    Starting at:
    $43.69 
    Autoship
    $45.99 
 

Sign Up For Our Newsletter!

 Call Us 888-887-0063
 Email Us
Customer Service
Helpful Links
  • Facebook X Instagram Pinterest Youtube
Site & Contents © BaxterBoo.com®. BaxterBoo is located in the United States. |  Privacy & Security |  Terms of Use
Guarantee Site Secure Pharmacy Verified Website
Payment Type Logos