If you are trying Zero Carb January to see if you would like to execute ZC on a long term basis, then you must read from The Bear. Owsley Stanley was a sound engineer with the Grateful Dead (thus the name “Bear”), and he ate no plant foods from the 1958 until he died in 2011 (Car accident, not any modern disease). He wrote on a low-carb forum in 2006 to discuss his experience on the zero carb, all meat protocol.
If you want to know the reasons behind Zero Carb, and are considering it as a lifetime decision, this is a must read.
Here is the short, compiled version:
Here is the long, 137 page version. The Bear.pdf (715.7 KB)
I cannot recommend this highly enough. This guy knows his stuff. Seriously.