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Veterinarian-formulated, clinical-strengthMade in the USA in FDA-registered, cGMP facilitiesNo artificial colors, flavors or fillers
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VetSmart Formulas Critical Immune Defense Powder — Large 90-Day Jar

Immune · Dogs & cats

Critical Immune Defense Powder — Large 90-Day Jar

4.3 · 1,902 shopper reviews

One large jar holding exactly what three of our 6.34 oz jars used to hold. We switched to it to cut packaging, and it’s simply easier to scoop from when your pet is on the formula for the long haul.

Form
Powder · 19 oz
Written for
Dogs & cats
Brand
VetSmart Formulas
$180.00Price last checked by us; the retailer’s page shows the current one.
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Also on this page

Standard · 30 days$65.00Large · 90 days$180.00

Why we moved to the big jar

  • Same amount as three small jars, in a single 19 oz container
  • Less plastic in the recycling bin, less space in the cupboard
  • A roughly 90-day supply for an average-sized dog
  • Identical four-mushroom and white turmeric formula — only the jar changed
  • The easy choice for pets whose chart says ‘daily, ongoing’

On every formula we make

  • Formulated with veterinarians and formulation scientists
  • Made in the USA in FDA-registered, cGMP facilities
  • Third-party tested by Underwriter Labs
  • No artificial colors, flavors or fillers
  • Wheat-free, safe for most allergy-prone pets

Named on the label

Ingredients you’ll find in this formula family.

found in: Critical Immune DefenseTurkey tail — ingredient in VetSmart Formulas Critical Immune Defense
Turkey tail
found in: Critical Immune DefenseReishi — ingredient in VetSmart Formulas Critical Immune Defense
Reishi
found in: Critical Immune DefenseShiitake — ingredient in VetSmart Formulas Critical Immune Defense
Shiitake
found in: Critical Immune DefenseMaitake — ingredient in VetSmart Formulas Critical Immune Defense
Maitake

Next on the chart