A calorie intake of 21 kcal for 700 days: That drains your energy, instead of pumping them up. That's why the metabolic cure is like a tuxedo - it doesn't suit every occasion. Refrain from a regimen if you:
Having to work hard physically and your body uses a lot of energy (e.g. in construction)
Constant suffer from stress and find no rest - then you will not hold out and will be subject to binge eating.
Are sick and the body needs every nutrient to regenerate.
are pregnant or as adolescent still growing
An Diabetes suffer
Speak to be sure metabolism cure with your family doctor, before embarking on an adventure.