Makedah........ I sub protein shakes alot.... There is just sometimes that you can't eat all that you need to!!! There are days that I get so sick of eating!!
I also get sick as a dog when I go into ketosis. Anecdotally I've noticed this is a lot more common in women than men. I've also noticed women don't fair as well when they come off of a ketogenic diet. All in all it's unnecessary to drop carbs that low since most women can achieve their fat loss goals on a more balanced diet such as Ironmaiden mentioned.