# Immune System

## Products in this collection

- [VetPlus FLUMAX for Respiratory Tract Care in Cats 150ml](https://petessentialsg.com/products/vetplus-flumax-for-respiratory-tract-care-in-cats-150ml) - 42.0 SGD
- [Protexin Pro-Fibre Advanced Immune and Gut  Health for Dogs (500g)](https://petessentialsg.com/products/protexin-pro-fibre-advanced-immune-and-gut-health-for-dogs-500g) - 58.0 SGD
- [Vetoquinol Viralys L-Lysine Supplement Gel for Cats （5oz）](https://petessentialsg.com/products/viralys-l-lysine-gel) - 34.0 SGD

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> Source: [petessentialsg](https://petessentialsg.com/collections/immune-system)
> Updated: 2026-07-15