Support your cat's immune system with Mervue Lysine 250, a highly palatable liquid nutritional supplement specially formulated to help cats and kittens at risk of Feline Herpesvirus Type-1 (FHV-1), commonly associated with Feline Viral Rhinotracheitis (Cat Flu) and recurrent upper respiratory infections.
Developed by Mervue Laboratories, Ireland, Lysine 250 provides L-Lysine, an essential amino acid widely used as nutritional support for cats experiencing recurrent herpesvirus flare-ups or those exposed to stressful situations that may compromise immune function. It is ideal for cats living in multi-cat households, shelters, catteries, or environments where infectious respiratory diseases are more likely to spread.
The easy-to-administer liquid can be mixed directly into food, making daily supplementation simple for both kittens and adult cats. Whether your cat is recovering after illness, visiting the veterinarian, moving to a new home, or experiencing environmental stress, Mervue Lysine 250 helps provide nutritional support for healthy immune function and respiratory wellness.
Recommended by PᴇᴛsLɪғᴇsᴛʏʟᴇ and trusted by Vɪsʜɴᴜ Dᴜᴛᴛ Tʀɪᴘᴀᴛʜɪ | Pᴇᴛ Exᴘᴇʀᴛ, this supplement is an excellent addition to your cat's daily wellness routine when immune support is needed.
Key Features
Supports feline immune health.
Nutritional support for cats with or at risk of Feline Herpesvirus (FHV-1).
Helps support upper respiratory health.
Highly palatable liquid formula.
Easy to mix with food.
Suitable for kittens and adult cats.
Ideal during periods of stress.
Daily immune support supplement.
Convenient liquid dosing.
Developed by Mervue Laboratories.
Suitable for long-term nutritional support under veterinary guidance.
30ml bottle.
Composition
Active Ingredient
L-Lysine – 250 mg/ml
Health Benefits
Supports Cats at Risk of Feline Herpesvirus (FHV-1)
Lysine 250 provides nutritional support for cats that may be exposed to or affected by Feline Herpesvirus Type-1 (FHV-1), a common viral cause of feline upper respiratory disease.
Supports Healthy Immune Function
Daily supplementation helps maintain normal immune function, particularly during periods of stress or increased disease risk.
Supports Upper Respiratory Health
Ideal for cats experiencing or prone to:
Sneezing
Watery eyes
Nasal discharge
Cat flu-related respiratory signs
Note: This supplement supports overall health and should be used as part of your veterinarian's treatment plan where appropriate. It is not a substitute for prescribed medications.
Helps During Stressful Situations
Recommended for cats experiencing:
Veterinary visits
Boarding or catteries
Rehoming
Shelter adoption
Changes in household routine
Multi-cat environments
Roaming lifestyles
Stress can contribute to herpesvirus flare-ups, making nutritional immune support particularly beneficial.
Easy Daily Administration
The highly palatable liquid mixes easily into food, making it suitable even for selective eaters.
Recommended For
Mervue Lysine 250 is ideal for:
Cats with recurrent upper respiratory infections
Cats diagnosed with Feline Herpesvirus (under veterinary guidance)
Kittens entering new homes
Cats before and after veterinary visits
Shelter and rescue cats
Cats living in catteries
Multi-cat households
Roaming cats
Cats experiencing environmental stress
Daily immune support
Feeding Guide
Shake well before use.
Mix thoroughly into food.
Body Weight
Daily Feeding Amount
Kittens (<2 kg)
1 ml twice daily
Cats (2–5 kg)
2 ml twice daily
Or use as directed by your veterinarian.
How to Use
Shake well before each use.
Mix the recommended amount into your cat's food.
Feed each day consistently for best results.
Ensure fresh drinking water is always available.
Storage Instructions
Store in a cool, dry place.
Keep away from direct sunlight.
Close the bottle tightly after use.
Keep out of reach of children.
For animal use only.
Product Specifications
Brand: Mervue Laboratories
Product Name: Lysine 250
Product Type: Nutritional Supplement for Cats
Suitable For: Kittens & Adult Cats
Form: Liquid
Net Volume: 30ml
Suitable For
Kittens
Adult Cats
Persian Cats
Maine Coon
British Shorthair
Siamese
Bengal
Ragdoll
Indoor Cats
Outdoor Cats
Multi-cat Households
Frequently Asked Questions (FAQs)
Q1. What is Mervue Lysine 250 used for?
Mervue Lysine 250 is a nutritional supplement formulated to support cats and kittens that are at risk of or living with Feline Herpesvirus Type-1 (FHV-1). It also helps maintain healthy immune function and supports upper respiratory health.
Q2. What is Feline Herpesvirus (FHV-1)?
FHV-1 is a common virus that can contribute to feline upper respiratory disease, often causing sneezing, watery eyes, nasal discharge, and recurring respiratory signs. Stress can sometimes trigger flare-ups in infected cats.
Q3. Can Lysine 250 cure cat flu or FHV-1?
No. Lysine 250 is a nutritional supplement, not a medicine or cure. It is intended to support immune function and should be used alongside veterinary advice and any prescribed treatment.
Q4. Which cats can benefit from Lysine 250?
It is suitable for:
Kittens
Adult cats
Shelter cats
Cats in multi-cat households
Cats visiting boarding facilities or catteries
Cats experiencing environmental stress
Cats with a history of recurrent upper respiratory issues
Q5. Can I give Lysine 250 every day?
Yes. It is designed as a daily nutritional supplement. Follow the recommended feeding guide or your veterinarian's instructions.
Q6. How do I administer Lysine 250?
Shake well before use and mix the recommended amount into your cat's food. Its palatable liquid formula is generally well accepted by most cats.
Q7. Is Lysine 250 suitable for kittens?
Yes. It is suitable for kittens as well as adult cats. Kittens under 2 kg are typically given 1 ml twice daily, unless otherwise advised by a veterinarian.
Q8. When should I consider giving Lysine 250?
Many owners use it during:
Stressful life events
Before or after veterinary visits
Rehoming
Boarding
Multi-cat living
Recovery periods
Daily immune support
Q9. Can I use Lysine 250 with other medications?
In many cases, it can be used alongside veterinary treatments. However, always inform your veterinarian about any supplements your cat is receiving to ensure the overall treatment plan is appropriate.
Q10. Why buy Mervue Lysine 250 from PᴇᴛsLɪғᴇsᴛʏʟᴇ?
When you purchase from PᴇᴛsLɪғᴇsᴛʏʟᴇ, you receive:
100% Genuine Mervue Products
Fresh Stock
Fast Delivery Across India
Secure Packaging
Trusted Customer Support
Expert Pet Health Guidance
Read more less