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. 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.
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