Coco and Luna

L-Lysine Supplement for Cats 900mg scoop - Cat Supplement for Sneezing and Runny Nose Cold Immune Support Eye

1603+ bought in the past month

$22.99

About this item

  • Cat Immune Support - Coco and Luna L-Lysine for cats helps support a strong immune system and eye function providing cat vitamins for older cats and kittens alike.
  • Respiratory Health - Our formula promotes normal respiratory function and health which can help fight against issues such as sneezing, watery and inflamed eyes, and runny noses.
  • Easy to Serve Powder - Our formula has the best natural ingredients, adjusted for cats in an easy to serve format that can be given with food or as a daily treat.
  • A Brand You Can Trust - We understand how much your pet’s health and wellbeing mean to you, so our products are manufactured in FDA-registered facilities that are NSF and GMP-certified in the USA.
  • Made in the USA from US and Globally Sourced Ingredients - All our products are made in the USA and are veterinarian approved as well as hypoallergenic. Our L-Lysine powder helps bring your cat nose relief and may help with sneezing and other cold-like symptoms.
$22.99

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Product details

BrandCoco and Luna
FlavorSalmon
Item FormPowder
Item Weight4.23 Ounces
Product BenefitsSneezing and Runny Nose, Cold, Immune Support, Eye Function, and Respiratory Health

Technical specifications

item_weight4.23 Ounces
manufacturerVita Pet Life LLC
item_model_numberpet-beds
date_first_availableJanuary 10, 2020
item_package_dimensions_l_x_w_x_h3.11 x 2.68 x 2.64 inches
item_dimensions_lxwxh2.8 x 2.8 x 2.8 inches
brand_nameCoco and Luna
target_audience_keywordCats, house-cats
directionsDosage: Administer 1 scoop (900mg) of the lysine powder per day. How to Administer: Mix the powder into your cat’s food or water. You can also sprinkle it on treats if your cat prefers. For Best Results: Continue the dosage daily, or as recommended by your veterinarian.
age_range_descriptionAll Life Stages
breed_recommendationAll Breed Sizes
specific_uses_for_productEyes, Immune Support, Sneezing
product_dimensions2.8 x 2.8 x 2.8 inches; 4.23 ounces
best_sellers_rank#10,521 in Health & Household ( See Top 100 in Health & Household ) #12 in L-Lysine Nutritional Supplements

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Customer reviews

4.32,991 ratings

Customers say

Customers find the lysine supplement effective and of good quality, noting it works well right away and helps maintain their cats' health. Customers report mixed experiences with sneezing and eating the supplement, with some seeing improvement while others report their cats throwing up or refusing to eat it.

★★★★★

Excellent product!

Cindy FJanuary 13, 2026

The best I can say is this product really works and quickly plus my cats like it. I use it when they have sneezing and/or watery eyes. It mixes into their wet food easily. As they have gotten older, I give them this supplement most days. It is great for their immunity. I ran out recently and one of my cats was sneezing day and night. Within the second day of this supplement, he is fine again. It is a wonderful product. Read more

★★★★★

It works!

MamaCat83January 10, 2026

My cats and kittens like this! I mix it with their food. I have a kitten who has a mild cold and it seems to not get worse and help with the other synptoms compare to before when I had a kitten who had a cold and wasnt using this. I highly recommend this! Read more

★★★★★

Excellent

Madame LibrarianDecember 31, 2025

This product is absolutely excellent. It is extra strong lysine. It seems to have one of the strongest levels at 900 mg per scoop. I have a cat that has Rhino inflammation and other respiratory issues and this is really helping her. She's only been on it for a week and a half and I can already see improvement. I will be putting all of my cats on this and keep them on it. Read more

★★★★☆

Easy to use

Stacy HaraldsonSeptember 27, 2025

Easy powder formula that I added to cat food. I am not sure how well it is working, but it mixed with wet cat foid easily. Read more

★★★★★

Actually helped improve my cat’s health

Darrin CDecember 15, 2025

My cat has had problems with congestion and sneezing. At the recommendation of my vet, I bought this and have been giving it to her daily. It’s been about 4 months and her wellness has significantly improved. Very happy customer. Read more

★★★★★

Helps with respiratory problems

Donna WeberJanuary 6, 2026

Have purchased this product for the last couple years. I have a black fur baby who lives outdoors. While most of his time is spent on a fully enclosed deck he is susceptible to upper respiratory problems. Since I gave been giving him this everyday to help build his respiratory system he hasn't had anymore problems. I mix it in his nighly squeezable treat. Been 2 seasons now without problems. Will continue to give it to him even during the warmer months. We live in south eastern Washington where it gets fairly cold in winter and hot in summers. This product works! I give it to another outdoor cat who doesn't have issues . Highly recommend for all your fur babies. Read more

★☆☆☆☆

New Product Line is Horrible and a waste of my Money!

KarmasReaperFebruary 3, 2024

I have been using this company's pet products for about 10 years now. I have 8 cats and each of my kitties would eat their food with Coco and Lunas great quality Vitamins(especially their L-Lysine). UNFORTUNATELY, THAT IS NOT THE CASE ANY LONGER!!! COCO and LUNAS NEW PRODUCT LINE WAS RECENTLY RELEASED(which included New product cosmetics and RECIPE CHANGE for all their products). NOT ONE OF MY EIGHT CATS WANT TO EAT THEIR DINNER WITH THE COCO and LUNAS NEW L-LYSINE. My oldest baby is now scratching & itching after he eats his dinner with COCO & LUNAS new L-Lysine. They were using Grade A ingredients for all their products and it seemed liked they actually cared for our babies wellbeing. This company, just like most, has sold out. They are obviously not using Grade A ingredients any longer, just so they can make an extra buck at the cost of our furbabies health/wellbeing! This is unfortunate because I was buying hundreds of dollars of their Vitamins per month. Now I have to start from the beginning, research Coco & Lunas competitors and find a company who hasn't sold their Soul for money. U just made a big mistake, I was a loyal customer with your company for YEARS and spent a ton of money over the past 10 years. Now imagine, how many other customers had the same loyalty, spending habits that you will lose just this year alone. Was it ALL WORTH IT??? CUTTING DOWN/REPLACING YOUR PRODUCTS QUALITY INGREDIENTS, U THINK U ARE SAVING MONEY??? I CAN GUARANTEE THAT IN THE LONG ROAD, U WILL LOSE MUCH MORE THAN YOUR CUSTOMERS!!! HORRIBLE CHOICE MADE BY COCO & LUNAS CEO's, VP's & let's not forget their board members! Good Job everyone , Good Job👍🏼, HELLUVA of a Job. "The clueless shall inherit the Earth" Read more

★★★☆☆

no flavor, so-so on dissolving in water.

NetmonNovember 22, 2025

I have to mix this with another lysine product that has flavor. They don't care for it alone. Must be mixed at least with water and then some dry food. dusting it on dry food is a no-good. Actual Lysine content? hard to say. Packed ok. Arrived promptly. Read more

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