Yes that's what I meant it will keep you alive for a short time but you are going to be sick afterMaybe stop watching that channel?
That's a misconception, and a much more complicated issue. You can't survive when you're being poisoned with ammonia. Urine is how your body sheds nitrogenous waste made from protein digestion. The BEST way to make "urine" safe to drink would be to use it to wet a hole in the ground that you'd use for a solar still. That's it.