However, many claims about its benefits remain unfounded.
The extract is ground down and then combined withglycerin.
That means some supplement products may not contain what the label says.
Getty Images / Alexander Spatari
No supplement is intended to treat, cure, or prevent disease.
There are claims that grapefruit seed extract can be used to treat fungal or bacterial infections.
It has been shown to have some antibacterial properties.
Many GFSE products have been found to be adulterated with the preservative benzethonium chloride, an antibacterial agent.
Lab studies have indicated that the benefits related to GFSE have been due to the synthetic antibacterial agent.
However, there is no research to support any of the health claims about GSFE.
In fact, there are no prospective randomized clinical trials on the effects of consuming GFSE alone in humans.
Precautions
There is not a lot of information available on the safety of GFSE.
It would be best to avoid supplements that lack safety data for pregnant and nursing individuals and children.
You should also not use GFSE if you have a citrus allergy.
Dosage: How Much Grapefruit Seed Extract Should I Take?
There is no standard dose recommended for GFSE.
Grapefruit Interactions
Grapefruit is known to interact with several medications.
Medications with grapefruit interactionsinclude but are not limited to:
Grapefruit may also interact with certain herbal medicines.
Ask the pharmacist if you’re unsure.
Frequently Asked Questions
No.
Grapefruit seed extract is a liquid made from the seeds, pulp, and membranes of a grapefruit.
The oil is typically used on the skin or as aromatherapy and is not intended to be ingested.
Nutritional supplements are also not intended to treat any disease or infection.
Your best bet is to consult with a healthcare provider about evidence-based treatments for the infection.
GFSE has also been formulated in mouthwashes, drops, and other personal care products.
Some supplements contain GFSE, but others may have a mixture of extracts.
It is important to read the supplement’s facts and ingredients label.
These chemicals are found antibacterial soaps and cleansers and could be harmful if ingested in high doses.
GFSE products also carry risks of interactions with medications and potential contamination.
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