You may have read some Nutrisystem bad reviews and you may feel disappointed. Then there was still the money issue. I had my own Nutrisystem goodies such as chocolate, pizza, potatoes, muffins and more. So, if you are asking: I got hungry between meals sometimes.
The reason you need to take the supplement on schedule every day is so your body gets used to it and can use it effectively. You want to take it first thing in the morning with a glass of water and a meal. This helps your body get used to processing it effectively to reap the maximum nutritional and metabolic benefits from the extract. Here is a wikipedia page about Garcinia Cambogia.