There is no accurate answer for how long it will take for cats to recover after taking vitamin B1. If you just take vitamin B1 alone, it will have no obvious effect on the treatment of neurological diseases. We also need to treat it with vitamin B12. There is no need to worry about long-term consumption of vitamin B1 and B12. side effects because they are excreted out of the body along with the water.

Tip:

Vitamin B1 and B12 are both water-soluble. Do not add them to the water when feeding them to cats, as this will not be absorbed by the cat.