L-Lysine for Cats (NOW Foods Pets): Immune Support, Respiratory Comfort and Daily Vitality – Essential Amino Acid for Cat's Natural Protection

L-Lysine for Cats, NOW Foods Pets is a dietary supplement dedicated to feline health, formulated with L-lysine hydrochloride (276 mg) – a stable and well-utilized form of this essential amino acid. L-lysine is a fundamental nutrient for cats, because the body cannot produce it in sufficient quantities and needs constant supply for vital biological processes: protein synthesis, tissue maintenance, immune system function and metabolic balance support.

Cats are animals with particular protein metabolism, and essential amino acids play a major role in their energy state, in skin and coat integrity, in mucous membrane health and in body defense reactions. During periods of stress, environmental changes, contact with other animals or seasonal variations, nutritional needs may increase, and certain functions – especially those related to immunity and respiratory comfort – may be more stressed. L-lysine is recognized for its capacity to support the body in these contexts, being associated with maintaining upper respiratory tract and mucous membrane health, as well as supporting general resilience.

NOW Foods Pets formula is designed to provide a precise dose of L-lysine, easy to integrate into daily routine, as part of a cat health support strategy. Through its multiple roles, L-Lysine for Cats becomes a valuable ally for indoor cats or those who socialize frequently, for cats sensitive to stress, and also for felines who need additional nutritional support during periods of demand.

Detailed Benefits of L-Lysine for Cats (NOW Foods Pets)

 

• Supporting immune system and natural resilience

Cat immune system is directly influenced by nutritional status, especially by essential amino acid supply involved in antibody and immune protein synthesis. L-lysine contributes to maintaining efficient protein metabolism, offering support for body defense processes.

✅ Supports normal immune system functioning
✅ Contributes to body resilience during demanding periods
✅ Supports recovery and physiological balance maintenance

 

• Respiratory comfort and mucous membrane support

Mucous membranes (nasal, oral, ocular) represent an important barrier against external factors. In cats, upper respiratory tract sensitivity is frequently mentioned in the context of environmental changes, stress or exposure to other community members. L-lysine is appreciated for its role in supporting mucous membrane health and respiratory comfort.

✅ Helps maintain upper respiratory tract comfort
✅ Supports mucous membrane integrity, natural protective barrier
✅ Contributes to general wellbeing in cold season or during stress periods

 

• Protein synthesis and muscle mass maintenance

L-lysine is a key amino acid in protein synthesis, processes through which the body builds and repairs its tissues. For cats, which have high protein requirements, supporting protein synthesis is important for tone, mobility and vitality.

✅ Supports protein synthesis and tissue maintenance
✅ Contributes to muscle tone and normal mobility
✅ Helps body recovery after demanding periods

 

• Supporting skin and coat – healthy appearance, shine and resistance

Skin and coat reflect cat's internal balance. Essential amino acid deficiencies can affect hair fiber structure and skin's ability to maintain functional barrier. L-lysine, being a structural element in protein synthesis, contributes to maintaining tissue integrity and general appearance.

✅ Contributes to maintaining skin health
✅ Supports coat quality and groomed appearance
✅ Helps maintain more resistant and uniform hair fiber

 

• Support for metabolism and daily energy

Essential amino acids are involved in enzyme and functional protein production that support metabolism. Efficient protein metabolism means more stable energy and better ability to adapt to activity, stress or routine changes.

✅ Supports protein metabolism and efficient nutrient utilization
✅ Contributes to daily energy and vitality
✅ Helps maintain general tone state and playfulness

 

• Supporting indirect antioxidant defense and cellular balance

Although L-lysine is not a classic antioxidant, its role in protein synthesis and cellular function supports maintaining tissues in good condition. By supporting repair processes and structural integrity, the body can respond more efficiently to daily demands.

✅ Supports natural tissue regeneration processes
✅ Contributes to maintaining cellular balance
✅ Helps body preserve adaptation capacity
 

• Valuable support during periods of stress and environmental changes

Cats are sensitive to stress: moves, veterinary visits, appearance of new animal in house, diet change or routine modification can influence comfort and behavior. During such periods, nutritional support can make a difference, and L-lysine is frequently used as part of support routine.

✅ Contributes to resilience during periods with increased stress
✅ Supports general comfort and adaptation state
✅ Helps maintain vitality in demanding contexts

 

• Essential amino acid with targeted role for feline health

L-Lysine for Cats, NOW Foods Pets offers a simple and clear formula: 276 mg L-lysine hydrochloride, a focused ingredient, without unnecessary combinations. This allows precise support of functions where lysine has major impact: immunity, mucous membranes, protein synthesis and vitality.

✅ Concentrated formula, with single and targeted ingredient
✅ Supports key functions: immunity, mucous membranes, tissues and metabolism
✅ Helps maintain general wellbeing long-term

 

• Support for quality of life: energy, comfort and healthy appearance

When the body receives essential amino acids it needs, signs are visible: a more active cat, with groomed coat, with playfulness and better resilience to daily challenges. L-lysine contributes to this picture through its role as "foundation piece" in body construction and maintenance.

✅ Contributes to vitality and daily wellbeing
✅ Supports visible health signs: coat, tone and energy
✅ Helps maintain an active, comfortable and balanced cat

 

 

Directions for Use

For use with cats only.
Can be administered during or after meals.

For cats up to 2.7 kg = 0.31g twice per week.
For cats over 2.7 kg = 0.62g twice per week. 
Administer during or after the animal has eaten to reduce incidence of gastrointestinal disturbances.




 

Product Facts
Active Ingredients per 1/8 teaspoon (276 mg):
L-Lysine hydrochloride	276 mg

 

Other Ingredients

None.
No artificial flavors, colorants or preservatives.

 

Warnings

If animal's condition worsens or does not improve, stop administering the product and consult a veterinarian. Safety has not been proven in pregnant animals or animals intended for breeding. Administer during or after the animal has eaten to reduce incidence of gastrointestinal disturbances.
Not intended for human consumption.
Keep out of reach of children and animals. In case of accidental overdose, contact a health professional immediately.