1200 really is extremely low. Im a small guy 5'7" and my base metabolic rate, just what i burn with ZERO activity is 1650, factoring in 4 workout sessions per week and daily walking.The diet as prepared by the nutritionist. Part portion size (small) and the proportions.
People have booked 1-10 weeks on that! Mrs lost 4kg.
My calories to cut weight are set at 1700 and im dropping 1-2lb per week, and I started in the 20-25% BF range so not an extreme high start point.
You can do more harm then good by being on such LOW cals like you are, how long are you set to be on 1200 cals?? i hope only a week or two to kick start a fat loss phase or push a final end phase of a cut, not for the full duration.
Also perfect timing of this video: