L-lysine Immune Support Chews for Cats

Immune Powerhouse - Our L-lysine chews fortify your cat's immune system, ideal for navigating stress, boarding, illness, or bustling multi-cat homes.

Quick Relief - Combats the severity and duration of feline herpes virus symptoms, such as sneezing, runny nose, eye discharge, conjunctivitis, and other respiratory issues

Essential Support - L-lysine aids in antibody, hormone, enzyme, and vitamin production, enhancing immune defenses and vitality for cats of every age, from playful kittens to wise seniors.

60 Star Shaped Chews - Only the best for your cat. Our Cat L-lysine Chews are made with only natural ingredients and have a salmon flavor that cats love!

Vet-Strength - Formulated with care (and love) by our team of veterinarians, our calming cat chews are safe and effective! Made in the USA using only the worlds best ingredients. 

Guaranteed Analysis per Chew (1.5 g)

Minimum unless stated otherwise.

Crude Protein (min)………….23.0%

Crude Fat (min)…………………7.0%

Crude Fiber (max)…………….1.5%

Moisture (max)………………….11.5%

L-Lysine…………………………….125.0 mg

Calorie Content (calculated)

ME 3,300 kcal/kg        5.0 kcal/chew (1.5g)

Ingredients: Chicken Meal, Chicken Liver,  Glycerin, Cane Molasses,  L-Lysine Hydrochloride, Potato Flour, Salmon Oil, Powder Sugar, Corn Starch, Lecithin, Salt, Phosphoric Acid, Potassium Sorbate (preservative) Methylparaben (preservative), Mixed Tocopherols (preservative) and Propylparaben (preservative).

Cats up to 15 Lb.……………….2 Chews daily

Cats Over 15 Lbs.……………….4 chews daily

Free Shipping (arrives in 5-8 business days)
All orders are eligible for free shipping! Please note that we only ship to addresses in the lower 48 of United States. We do not ship internationally or to AK/HI at this time.

Expedited Shipping (arrives in 2-3 business days)
Flat rate of $19.99 USD. Orders placed before 3pm EST Monday - Friday (non holidays) ship the same day. In-stock items are normally shipped within 1-2 business days. Expedited and overnight shipping options are not available to Hawaii, Alaska and PO Boxes. We do not ship on holidays.

Hastle-free Returns
We are happy to accept returns of unopened, unexpired products purchased directly from our website within 30 days of purchase. Please note, we DO NOT accept returns of opened or expired products. We also do not accept returns of items purchased from Amazon or other retailers.

Please send your returns using the carrier of your choice to:

Under the Weather Pet (ATTN: Returns)
1360 Marshall Avenue Williston, VT 05495

Please ensure to include your name and order number.

Once your return has been processed, it may take 3 - 10 days for the refund to be posted to your account.