Holiday Closing/Shipping Hours

There will be no shipping on the following days due to Lambert Vet Supply offices holiday closings and our shipping carriers' holiday schedules.

  • Thursday, Nov. 22, 2018: Thanksgiving Day - LVS offices are closed as well as all carriers.
  • Tuesday, Dec. 25, 2018: Christmas Day - LVS offices are closed as well as all carriers.
  • Tuesday, Jan. 1, 2019: New Year's Day - LVS offices are closed as well as all carriers.
Last day to order to receive packages by Christmas Day:
  • Standard Ground Shipping: Tuesday, Dec. 18, 2018
  • 2-Day Shipping: Wednesday, Dec. 19, 2018
  • Standard Overnight shipping: Thursday, Dec. 20, 2018
IMPORTANT: Lambert Vet Supply is not responsible for misdirected, weather-delayed, or undeliverable packages.

Free Ground Shipping Details
* FREE STANDARD GROUND SHIPPING within the contiguous United States on qualifying orders of $100 or more. Certain items marked free shipping, perishable, drop ship, special order, and orm-d are not included in the $100 total. Handling fee of $1 applies to all orders. Oversize fees are listed on product page. Call for drop ship fees. Express delivery is available upon request. Perishable items (including vaccines and some medications) can only be shipped 2nd day or next day, and are not eligible for free standard ground shipping. Other restrictions may apply.

View Shipping Policy »

Pet Immune System Support Supplements

Products (Total Items: 45)
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Welactin Feline
Only $13.99
In Stock
Tomlyn Immune Support L-Lysine Supplement Powder for Cats
Only $13.89
In Stock
Enisyl-F Lysine Treats
Only $20.42
In Stock
Welactin Canine
Only $16.49
In Stock
Probios Dispersible Powder, 240 g
Only $11.99
In Stock
Conklin Fastrack Canine Gel, 20 cc
Only $14.99
In Stock
Conklin Fastrack Canine Microbial Supplement
Only $20.99
Out of Stock
Cell Advance
Only $29.99
In Stock
Enisyl-F Oral Paste
Only $28.26
In Stock
EicosaCaps Omega 3 & 6 Capsules
Only $11.99
In Stock
Select Antioxidant Tablets
Only $14.87
In Stock
Probios Feed Granules
Only $34.99
In Stock