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Medically reviewed by Last updated on Oct 16, 2020.

What are other common names?

  • Citrus maxima
  • Citrus paradisi
  • Agrume
  • Bioflavonoid Complex
  • Bioflavonoid Concentrate
  • Bioflavonoid Extract
  • Bioflavonoids
  • Citrus
  • Citrus Bioflavonoid Extract
  • Citrus Bioflavonoids
  • Citrus Extract
  • Citrus Flavonoids
  • Citrus Grandis Extract
  • Citrus Peel Extract
  • Citrus Seed Extract
  • Cold-Pressed Grapefruit Oil
  • CSE
  • Expressed Grapefruit Oil
  • Grapefruit Bioflavonoid Complex
  • Grapefruit Extract
  • Grapefruit Oil
  • Grapefruit Seed Extract
  • GSE
  • Pink Grapefruit
  • Rutaceae
  • Shaddock Oil
  • Standardized Extract of Grapefruit

What is this product used for?

Grapefruit comes in a few forms like the fruit, juice, and seeds. It is used by some people to treat infections. Others may use it to help with stomach problems. Some people believe it will help lower cholesterol. Some people use this for weight loss.

What are the precautions when taking this product?

  • Always check with your doctor before you use a natural product. Some products may not mix well with drugs or other natural products.

  • This product interferes with MANY drugs. It reduces the effectiveness of many drugs. It increases side effects of some drugs. Talk with your doctor before you start using this product.

  • This product may interfere with some lab tests. Be sure to talk with your doctor about this and all drugs you are taking.

  • Be sure to tell your doctor that you take this product if you are scheduled for surgery or tests.

  • Take extra care if you are at a high risk for infection. This includes people who have had a transplant, are on chemo, or have an autoimmune disease.

  • Take extra care and check with your doctor if you have cancer.

What should I watch for?

  • Upset stomach

  • Mouth sores

When do I need to call the doctor?

  • Signs of a very bad reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat. Go to the ER right away.

  • Very bad throwing up

  • Very bad loose stools

Last Reviewed Date


Consumer information use

This information is not specific medical advice and does not replace information you receive from your healthcare provider. Only your healthcare provider has the knowledge and training to provide advice that is right for you. You should not rely on this information in deciding whether or not to use, or accept your healthcare provider’s advice regarding use of, any natural products or similar treatments, therapies, or life-style choices. This information does not endorse any natural products or similar treatments, therapies, or life-style choices as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information. It does NOT include all information about natural products, possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to you. You must talk with your healthcare provider for complete information about your health and treatment options.


Copyright © 2018 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.

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