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ADDING GRAPEFRUIT TO A PROTEIN-RICH DIET CAN KICKSTART YOUR METABOLISM AND IGNITE WEIGHT LOSS
The benefits of consuming grapefruit and its juices, however, have not been completely erased from the conventions of clean eating. This historically magical fruit is indeed healthy and packed full of vitamins. The lack of substantial research and scientific evidence regarding its precise function in fat loss kept the power of the grapefruit a mystery to dieticians and dieters alike. The big question remained: Was this diet a simple myth or was there actual validity behind it? Well, rest easy. The mystery is solved. Recent research out of the Nutrition and Metabolic Research Center at Scripps Clinic has focused on the grapefruit enigma in attempts to understand and explain its fat-burning properties.
NARINGIN IS A BIOFLAVONOID AND IS UNIQUE TO GRAPEFRUITSThe diet’s premise remains the same: Adding grapefruit to a protein-rich diet can kickstart your metabolism and ignite weight loss. The process behind the premise has been uncovered in the compound known as Naringin. Naringin is a bioflavonoid and is unique to grapefruits. It is responsible for giving pink grapefruits its bitter taste and is essentially an antioxidant that seeks and destroys free radicals (cancer-promoting agents). But as followers of the grapefruit diet can tell you, Naringin will also boost metabolism. With Naringin, grapefruit aids in the metabolism of food while having a low impact on the glycemic index. It is high in fiber and very low in calories and also helps to reduce insulin levels, which can help dieters feel full on few calories. This alone is beneficial to those poor blokes struggling through the original diet.
NARINGIN IS RESPONSIBLE FOR GIVING PINK GRAPEFRUITS ITS BITTER TASTE AND IS ESSENTIALLY AN ANTIOXIDANT THAT SEEKS AND DESTROYS FREE RADICALS (CANCER-PROMOTING AGENTS)In a Canadian study, scientists used four groups of mice with normal body weights to illustrate the effects of Naringin on weight loss:
The mice were observed over a four-week period. At the end of four weeks, the mice on the high-fat, high-calorie diet became obese as well as insulin and glucose intolerant – key health indicators of metabolic syndrome. Comparatively, the two groups who received the Naringin supplement, despite being on the same high-fat, high-calorie diet as the other group, fared much better. They did not experience any weight gain nor did they develop any indicators associated with metabolic syndrome. It was concluded that the Naringin mice never absorbed the fat because their livers kicked into high gear and flushed out what they didn’t need for energy.
DIETS SUPPLEMENTED WITH PINK GRAPEFRUIT JUICE (AND TO A LESSER DEGREE WITH NARINGIN) IMPROVED THE PLASMA LIPID LEVELS BY INCREASING PLASMA ANTIOXIDANT ACTIVITY
Naringin also works together with other nutrients by helping to increase the nutrient absorption rate in the body, capitalizing on these nutrients’ health benefits. Similarly, Naringin stimulates the effect of caffeine, increasing its fat-burning action. So, when caffeine (a common fat-loss supplement) is paired with Naringin, it becomes a force to be reckoned with. Studies also show that caffeine is capable of increasing the release of stored body fat in two sites: the fat cell and the muscle cell. Naringin acts as a stimulator to the caffeine, making it work harder and longer in the body. The outcome: extended fat-burning properties. This finally explains why the original grapefruit diet of ½ a grapefruit, 1 cup of coffee, and some egg whites for breakfast may have been such a hit to weight loss seekers everywhere.
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