Any one use Keep N on? What did it do??

[SlickTxMaine]

Thinking about using it on my daughter's hogs this year?  Wondering if it actually does what it says?  Does it make the animals hyper or hard to handle? 

 

[Bradenh]

No it hasn't ever hyped ours up to the point where it became a problem, but it really freshens them up! Its worked very well for us on cattle