Had none of the headaches or anything some people report, nor any hungry feelings. Think i must kick into ketosis quite quickly.
Recently if been much more active over a longer period of time (i.e- heavy shopping session and day out!) and have not had my shakes/bars in the day, (or enough water) i have had a few occasions whereby if i had been crouched down and went to get up, felt like i may faint. One day at the seaside on holiday, things did go a bit dark in terms of my vision, went dizzy and i had to sit immediately or else i'm pretty sure i would have fainted. So got a feeling it may have affected my blood pressure. However, this was just me being a bit of a fool, and not having my shakes/fluid often enough so quite easily remedied ever since.
Don't want to scare you, i love cd and wish i'd found it years ago, but it has made me realise that at the same time you are only getting a minimal amount of calories, and despite the ketosis providing energy, some people do have to be a bit carefull not to overdo things.
Hope it goes well with GP too. Have you got any info to take just incase they know nothing about it? xx