I'm currently on Ferriss' low-carb diet and I have found constant carb-withdrawal hard to bear on days on which I do much programming (basically every working d

I'm currently on Ferriss' low-carb diet and I have found constant carb-withdrawal hard to bear on days on which I do much programming (basically every working day). There are some tricks though which help me keep up focus: - MSM, - Caffeine (less is more - just a sip of coffee, or half a cup of green tea; too much of it actually downs me after the first high), - and regular consumption of "allowed" carbs (lentils being my favourite) and fat (peanut butter, olive oil,...). Native coconut oil is a real brain booster, I feel super-focused after having eaten a spoonful. MSM does really do much in this regard for me, it feels as if it's helping my body renew its energy stores. I can go a lot further with less food when having taken it - and I do need to take it in order to seriously lose weight. Eating nothing for more than 4 hours shoots my focus down for hours, and is hard to rebuild with low-carb food.