
Vetri Lysine Plus combines L-Lysine, DMG, and Elderberry to support immune function and respiratory health in cats. Especially useful for cats prone to feline herpesvirus flare-ups.
About This Product
VetriScience Vetri Lysine Plus for Cats offers a convenient way to support your feline friend's immune health. This palatable soft chew is formulated to help maintain a healthy immune system, which is especially beneficial for cats in multi-cat households, those experiencing environmental stress, or kittens with developing immune systems. Each chew delivers a blend of key ingredients known for their supportive properties.
The primary active ingredient, L-Lysine, is an essential amino acid that plays a role in various bodily functions, including immune response. Dimethylglycine (DMG) further contributes to immune system function and overall well-being. Additionally, Elderberry Extract, a botanical ingredient, is included for its natural antioxidant properties, which can help protect cells from oxidative stress. These soft chews are designed for easy administration, making it simple to incorporate into your cat's daily routine.
VetriScience Vetri Lysine Plus for Cats has earned a PSI+ Grade of C (73.36/100), indicating a solid product within its category. This supplement is an excellent choice for pet owners looking to proactively support their cat's natural defenses and promote their overall vitality.
PSI+ Score Breakdown
Are key ingredients present at clinically effective doses based on veterinary research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- + Excellent value (120 chews)
- + NASC certified
- + Targets feline herpesvirus
- + Contains DMG for immune support
- + Cats enjoy the taste
Weaknesses
- - L-Lysine efficacy debated in recent studies
- - Only 3 active ingredients
- - Limited formula diversity
- - Some cats refuse chews
Ingredient Analysis
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| DMG (Dimethylglycine) | 50 mg | adequate |
| L-Lysine | 250 mg | adequate |
| Elderberry Extract | 25 mg | adequate |
Customer Voice Analysis
Aggregated from 8,200 reviews across Amazon, Walmart & iHerb
Avg Rating
Verified Purchases
Volume Trend
Total Reviews
Rating Distribution
Sentiment Breakdown
Review Credibility Score
73/100
Good review quality
Review Authenticity Signals
Excellent — most reviewers actually purchased
Good review volume and quality signals
Sentiment Themes
What Customers Love
Common Concerns
Product Info
Want to compare?
Add to comparison tool →Related Products
Similar Immune Support with comparable PSI+ scores







