Grapefruit Extract (generic name)
- Auto Immune Conditions
- Bladder & Kidney Health
- Brain & Nervous System
- Care Transitions
- Dental Health
- Emotional Health
- Eye Health
- Falls Prevention
- Financial Planning
- General Safety
- Health Care Basics
- Healthy Living
- Hearing Loss
- Heart Health
- High Blood Pressure
- Life Transitions
- Lung Health
- Men's Health
- Nutrition & Weight Management
- Pain Management
- Preventive Health
- Sexual Health
- Stomach & Digestive Health
- Stress & Anxiety
- Women's Health
This information is based on a systematic review of scientific literature, and was peer-reviewed and edited by contributors to the Natural Standard Research Collaboration (www.naturalstandard.com): Ethan Basch, MD (Memorial Sloan-Kettering Cancer Center); Thomas Brendler (PlantaPhile); Idy Chu, BSci, PharmD (Massachusetts College of Pharmacy); Jessica Clubb, PharmD (Northeastern University); Nicole Giese, MS (Natural Standard Research Collaboration); Jenna Hollenstein, MS, RD (Natural Standard Research Collaboration); Joseph Jordon, PharmD (Butler University); Tamara Milkin, PharmD (Northeastern University); Carolyn Williams Orlando, MA (American Botanical Council); Erica Seamon, PharmD (Nova Southeastern University); Shaina Tanguay-Colucci, BS (Natural Standard Research Collaboration); Catherine Ulbricht, PharmD (Massachusetts General Hospital); Wendy Weissner, B.A. (Natural Standard Research Collaboration).
BibliographyDISCLAIMER: Natural Standard developed the above evidence-based information based on a thorough systematic review of the available scientific articles. For comprehensive information about alternative and complementary therapies on the professional level, go to www.naturalstandard.com. Selected references are listed below.
Bailey DG, Spence JD, Munoz C, et al. Interaction of citrus juices with felodipine and nifedipine. Lancet 2-2-1991;337(8736):268-269.
Chaobal HN, Kharasch ED. Single-point sampling for assessment of constitutive, induced, and inhibited cytochrome P450 3A activity with alfentanil or midazolam. Clin Pharmacol Ther 2005;78(5):529-539.
Dresser GK, Kim RB, Bailey DG. Effect of grapefruit juice volume on the reduction of fexofenadine bioavailability: possible role of organic anion transporting polypeptides. Clin Pharmacol Ther 2005;77(3):170-177.
Fujioka K, Greenway F, Sheard J, et al. The effects of grapefruit on weight and insulin resistance: relationship to the metabolic syndrome. J Med Food 2006 Spring;9(1):49-54.
Goosen TC, Cillie D, Bailey DG, et al. Bergamottin contribution to the grapefruit juice-felodipine interaction and disposition in humans. Clin Pharmacol Ther 2004;76(6):607-617.
Gorinstein S, Caspi A, Libman I, et al. Red grapefruit positively influences serum triglyceride level in patients suffering from coronary atherosclerosis: studies in vitro and in humans. J Agric Food Chem 2006 Mar 8;54(5):1887-92.
Lilja JJ, Laitinen K, Neuvonen PJ. Effects of grapefruit juice on the absorption of levothyroxine. Br J Clin Pharmacol 2005;60(3):337-341.
Lilja JJ, Neuvonen, M, Neuvonen PJ. Effects of regular consumption of grapefruit juice on the pharmacokinetics of simvastatin. Br J Clin Pharmacol 2004;58(1):56-60.
Lilja JJ, Raaska K, Neuvonen PJ. Effects of grapefruit juice on the pharmacokinetics of acebutolol. Br J Clin Pharmacol 2005;60(6):659-663.
Odou P, Ferrari N, Barthelemy C, et al. Grapefruit juice-nifedipine interaction: possible involvement of several mechanisms. J Clin Pharm Ther 2005;30(2):153-158.
Paine MF, Criss AB, Watkins PB. Two major grapefruit juice components differ in time to onset of intestinal CYP3A4 inhibition. J Pharmacol Exp Ther 2005;312(3):1151-1160.
Shi J, Montay G, Leroy B, et al. Effects of itraconazole or grapefruit juice on the pharmacokinetics of telithromycin. Pharmacotherapy 2005;25(1):42-51.
Staudte H, Sigusch BW, Glockmann E. Grapefruit consumption improves vitamin C status in periodontitis patients. Br Dent J 8-27-2005;199(4):213-7, discussion.
Unger M, Frank A. Simultaneous determination of the inhibitory potency of herbal extracts on the activity of six major cytochrome P450 enzymes using liquid chromatography/mass spectrometry and automated online extraction. Rapid Commun.Mass Spectrom 2004;18(19):2273-2281.
Yee GC, Stanley DL, Pessa LJ, et al. Effect of grapefruit juice on blood cyclosporin concentration. Lancet 4-15-1995;345(8955):955-956.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.