1 Eat foods high in vitamins and mineral the day before your fast. 2  After your fast, drink grapefruit juice. 3  An hour or two after the grapefruit juice is consumed, the digestive system should be reawakened, though groggy. 4  Feel free to slowly eat an apple. Eat foods high in vitamins and mineral the day before your fast. 2  After your fast, drink grapefruit juice. 3  An hour or two after the grapefruit juice is consumed, the digestive system should be reawakened, though groggy. 4  Feel free to slowly eat an apple.
March 22, 2002 -- Two glasses of orange juice a day lowers blood pressure, a new study suggests. It doesn't mean that OJ is the cure for what ails you.It does mean that a good diet is crucial -- especially for heart patients.High blood pressure isn't good for anybody.he blood-pressure decrease we saw is definitely clinically relevant, says Carla McGill, PhD, RD, a nutrition scientist at Tropicana. If we could reduce blood pressure by this much it would be very good for all patients.. At the end of the study, the patients stopped drinking orange juice for two weeks.
Oranges like all fruits have simple sugars in them, but the orange has a glycemic index of 40. Anything under 55 is considered low. This means as long as you donât eat too many oranges at one time, they wonât spike your blood sugar and cause problems with insulin or weight gain.