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Felisyl Immune System Support

Felisyl Immune System SupportFelisyl Immune System Support (3.5 oz) by Pet Health Solutions is a brand new nutritional supplement that is safe and effective for conditions responsive to Lysine. L-lysine reduces the severity and frequency of herpes simplex viral infections which are also known as cold sores or fever blisters.

  • Recommended as an aid in the treatment of Feline Herpes Virus and its associated respiratory and ocular symptoms.



  • Felisyl Immune System Support (60 Soft Chews)
    Felisyl Immune System Support (60 Soft Chews)


    3-PACK Felisyl Immune System Support (180 Soft Chews)
    3-PACK Felisyl Immune System Support (180 Soft Chews)


    6-PACK Felisyl Immune System Support (360 Soft Chews)
    6-PACK Felisyl Immune System Support (360 Soft Chews)


    Felisyl Immune System Support (3.5 oz)
    Felisyl Immune System Support (3.5 oz)


    3-PACK Felisyl Immune System Support (10.5 oz)
    3-PACK Felisyl Immune System Support (10.5 oz)


    6-PACK Felisyl Immune System Support (21 oz)
    6-PACK Felisyl Immune System Support (21 oz)


    PHS Felisyl L-lysine Gel for Cats (5 oz)
    PHS Felisyl L-lysine Gel for Cats (5 oz)


    3-PACK Felisyl L-lysine Gel for Cats (5 oz)
    3-PACK Felisyl L-lysine Gel for Cats (5 oz)


    6-PACK Felisyl L-lysine Gel for Cats (5 oz)
    6-PACK Felisyl L-lysine Gel for Cats (5 oz)


    Lysine Products
    Lysine Products



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