Losing weight fast can create an acid imbalance in your stomach, adding citric acid in the morning can cause stress leading you to eat.
There are acids in the stomach that digest food, when people are on strict diets, often the body can try to digest itself. Adding extra citric acid is not always a wise decision, this is about the same as taking aspirin on an empty stomach.
Stress is a trigger that can cause you to eat, feeling bad because of a real acid imbalance is not only stressful, it may require that you eat to solve.
Eating peppers or spicy food makes the body metabolism rise, and sure Orange Juice, Grapefruit Juice, and other citric acid drinks can do the same.
Balanced Meals takes into consideration the amounts of chemicals in foods, not just food groups.
Taking vitamins first thing in the morning can cause problems.