Reference data for labeling purposes ( 4) indicate that a serving of pink or red grapefruit, corresponding to ½ of a medium fruit (154 g), provides 100% of the Daily Value (DV) of vitamin C, 35% of the DV for vitamin A, 8% of the DV for fiber, 5% of the DV for potassium, and less than 5% of the DV for folate, calcium, magnesium, vitamin B 6, thiamin, and niacin ( 5). Like oranges and 100% orange juice, grapefruit and 100% grapefruit juice are also citrus fruits that are particularly concentrated sources of vitamin C and a source of other nutrients. Among both men and women, the top five contributors to total fruit consumption are 100% orange juice, bananas, apples, oranges, and watermelon collectively, these five items account for 53 and 46% of total fruit intake by men and women, respectively ( 3). The Dietary Guidelines for Americans encourage consumption of a nutrient-dense diet rich in fruits and vegetables ( 1), though most Americans fall short of meeting the recommended levels of fruit intake ( 2). Among women, grapefruit consumption was associated with lower body weight, waist circumference, body mass index (BMI), triglycerides, C-reactive protein (CRP), and higher high-density lipoprotein (HDL) cholesterol ( P<0.05), However, risk of being overweight/obese was not associated with grapefruit consumption. Diet quality as assessed by the Healthy Eating Index-2005 (HEI-2005) was higher in grapefruit consumers (males: 66.2 vs.

Potassium and β-carotene intakes were significantly higher among grapefruit consumers ( P<0.001). 43% P<0.001) and magnesium ( P<0.05) below the estimated average requirement (EAR) compared to non-consumers, and they were more likely to meet adequate intake levels for dietary fiber ( P<0.05). Grapefruit consumers were less likely to have usual intakes of vitamin C (males: 0% vs. This fresh-squeezed juice is actually much better for you than the bottled variety, since it often contains at least some dietary fiber and has no added sugar.Among adults aged 19+ years with 2 days of dietary recall ( n=12,789), 2.5% of males and 2.7% of females reported consumption of 100% grapefruit juice or fresh, canned, or frozen grapefruit during the recalls. It is also possible to squeeze your own fresh juice if you don't like grapefruit in its natural form. Bottled juice is the next best thing and can be used in place of fresh fruit for the Grapefruit Juice Diet plan. If you do not reside in a citrus-producing state, it can be difficult to find it at your local supermarket. While it is true that fresh grapefruit contains more fiber, vitamins, and nutrients than its juice, fresh grapefruit isn't always available. We don't know why this is, but it seems to be the case. Several studies have found that drinking or eating grapefruit before a major meal forces us to eat a bit less.

In spite of the fact that there is absolutely no scientific evidence that the grapefruit helps us burn fat, it may actually curb our appetite. With that said, the grapefruit is one of the healthiest edibles on Earth. There is no magic enzyme that reduces your waistline without effort or sacrifice. As you might expect, this claim is completely and entirely unfounded. This enzyme could be used to magically melt pounds away, no matter what you ate. They claimed that the exotic, little-known fruit actually had a secret fat-burning enzyme. You see, when the plan was first introduced, the creators played on the public's ignorance of grapefruits. in only 12 days! Is this possible? Yes, but probably not for the stated reasons. According to most modern versions, users can lose up to 10 lbs. The Grapefruit Juice Diet plan is considered a crash or fad diet because it promises quick results in a short period of time. But when it was revealed that the grapefruit was the diet secret of the stars, those limitations were overlooked.

Most considered it too sour to be enjoyed on a regular basis, not to mention the fact that it could not be consumed as a hand fruit like the apple or orange. At the time, the grapefruit was an exotic fruit that had never quite caught on with the American public. But why do almost all of us think of the grapefruit as a diet food that is often consumed in the early morning hours? The answer? Because of the Grapefruit Diet!Īlso known as the Hollywood Diet, this popular fad diet was introduced way back in 1930. When we say the word “ grapefruit,” what do you think of? Odds are words like “breakfast,” “diet,” and “weight loss” sprang immediately to mind. Let's play a quick word association game.

Grapefruit juice diet