Test-tube studies show that it displayed antimicrobial properties against potentially harmful bacteria like Staphylococcus aureus, Enterococcus faecalis, and Escherichia coli ( 9, 10). Grapefruit essential oil has potent antibacterial and antimicrobial effects. One human study found that its use in massage therapy may help reduce belly fat, but more research is needed. Rodent and test-tube studies have shown that grapefruit essential oil may decrease fat tissue and reduce appetite. What’s more, ingesting essential oils in supplemental doses is not recommended for humans.
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More studies are needed to confirm these effects before any claims can be made. Keep in mind that evidence for any weight loss benefits of grapefruit essential oil is very limited and of low quality. However, the use of different oils makes it impossible to say whether the results can be attributed to grapefruit oil specifically.
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Participants massaged their abdomen two times daily for five days each week and received a full body aromatherapy massage using 3% grapefruit oil, cypress, and three other oils once a week ( 4).Īt the end of the six-week study, results showed not only a decrease in abdominal fat but also a reduction in waist circumference in the group using the essential oils ( 4). Similarly, a test-tube study in fat cells of rats showed that grapefruit essential oil applied directly to the cells inhibited the formation of fatty tissue ( 3.Īdditionally, topically applied grapefruit essential oil has been observed to promote weight loss in people.įor example, a study in postmenopausal women evaluated the use of abdominal essential oil massages on weight loss ( 4). One rat study found that the scent of grapefruit essential oil stimulated the breakdown of fat tissue and led to a reduction in food intake ( 2). Grapefruit essential oil may help you shed some extra weight, though research in this area is limited.
Research is limited to animal studies but shows that the scent of grapefruit essential oil may suppress appetite. Further research on the effects of grapefruit essential oil in humans is needed. Though these results are promising, they’re currently limited to animal studies. Smelling limonene had similar results on appetite suppression and food intake ( 2). The same study also examined the effects of the scent of limonene, a significant component of grapefruit essential oil. This nerve plays an important role in stimulating the production of stomach juices needed for digestion. One study found that rats exposed to the scent of grapefruit essential oil for 15 minutes 3 times a week experienced reductions in appetite, food intake, and body weight ( 1).Īnother recent study showed that the scent of grapefruit essential oil increased activity in the gastric vagal nerve in rodents, resulting in lower appetite. For those looking to suppress an overactive appetite, research indicates that grapefruit oil aromatherapy might be useful.
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