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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 — 30-Day Jar

Immune · Dogs & cats

Critical Immune Defense Powder — 30-Day Jar

4.3 · 1,902 shopper reviews

Our flagship immune formula: turkey tail, reishi, shiitake and maitake mushrooms with a patented white turmeric root extract and vitamins, sprinkled over the food twice a day. It’s built to back the natural killer and T-helper cells a pet relies on for normal cell growth.

Form
Powder · 6.34 oz
Written for
Dogs & cats
Brand
VetSmart Formulas
$65.00Price 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

What goes in the scoop

  • Four certified-organic mushrooms grown on sustainable farms, chosen for their active compounds
  • Patented white turmeric root extract for a healthy inflammatory response
  • Supports natural killer (NK) and T-helper cells behind normal cell growth
  • Hypo-allergenic chicken flavor that disappears into wet or dry food
  • Given alongside most medications — tell your vet what else is on the chart

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

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