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GS-441524 concentration: 30mg/ml
B12 concentration: 50mcg/ml

Volume: 8ml per vial


Formulated for:

  • Anemic adult cats
  • Provide additional support for immune system, nervous system, and digestive tract.


In many, but not all cats, our B12  formulation has demonstrated faster recovery and increased desire for food.  Best used during the first 30 days of the treatment. 


You should see clear improvements after using the first vial.  Improvements include increased appetite, increased physical activities, reduction of fever, increased frequency of self grooming.


Administer the same daily dosage as non-B12 infused 30mg/ml formulation.  Refer to our dosage calculator to calculate the appropriate dosage for your cat.


Watch our instructional video on how to perform FIP treatment injections.

GS-441524 + Vitamin B12 【30mg/ml, 8ml】

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  • Chemical Formula:  C12 H13 N5 O4 
    Volume:  8ml per vial
    Quantity:  1 vial
    Purity:  99.4% 
    pH: 1.9~2.2

    Formulation:  5% ethanol, 30% propylene glycol, 45% PEG 400, 20% water.

    Shelf Life:  1 year when stored at ambient temperatures.

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