Fast for seven to fourteen days to manage morbid obesity or severe diabetes

Fast for seven to fourteen days, consecutively.
This simply means you should go for seven to fourteen days in a row without any meals or snacks.

Consume fluids like water, tea, coffee, and broth during the fast.
These will give you energy and also keep you hydrated.

You may want to take multivitamins.
Multivitamins can help prevent micronutrient deficiencies while you are fasting.

Attempt this type of fasting with the supervision of your physician.
Your physician will monitor you for possible complications.