Expensive for what it contains. DIY-able? Or all proprietary?
You could get their newest kit for as little as $160 with shipping and a set of extras with a bottle.
Get it with a subscription and buying two will get you over the $200 mark for free shipping, it appears.
There are a bit of carbs in the soup mixes you get, and that, coupled with the glycerin drink help with your muscles, but you are in ketosis most of the time, otherwise.
I trust his kit, but you could do something of your own that wouldn't have the same benefits, but would get you most.