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.
Nutrients in orange juice may lower your blood pressure. Photo Credit Purestock/Purestock/Getty Images. Along with an entire dayâs supply of vitamin C, a cup of orange juice delivers potassium, folate and natural citrus bioflavonoids.These nutrients fill essential roles that support your metabolism and keep you healthy. They may also help lower your blood pressure.ole of Vitamin C. Orange juice is one of the best sources of vitamin C. Whether you squeeze juice from fresh oranges or go with the convenience of frozen concentrate, 1 cup provides at least 100 percent of your daily vitamin C. In addition to its antioxidant benefits, vitamin C may help lower blood pressure.