Grape Seed Extract: An Overview of Uses and Precautions
Introduction
This fact sheet provides essential information about grape seed extract, including its uses, potential side effects, and available resources for further reading. Grape seeds, primarily sourced from wine production, have been used for their medicinal properties since ancient Greece. Today, grape seed extract is recognized for its potential health benefits and is widely available as a dietary supplement.
Common Names
- Grape Seed Extract
Latin Name
- Vitis vinifera
Uses of Grape Seed Extract
Grape seed extract is believed to support several health conditions, particularly those related to the heart and blood vessels. Here are some of the common uses:
- Atherosclerosis: This condition involves the hardening of the arteries, and grape seed extract may help in managing its effects.
- High Blood Pressure: Many people use this extract to help control elevated blood pressure.
- High Cholesterol: It is often taken to support healthy cholesterol levels.
- Poor Circulation: Grape seed extract may assist in improving blood flow.
In addition to heart and vascular health, grape seed extract is used to treat complications of diabetes, such as nerve and eye damage. It may help with vision problems, including macular degeneration, which can lead to blindness. Other potential uses of grape seed extract include cancer prevention and promoting wound healing.
How It Is Used
Grape seed extract is derived from grape seeds and is commonly available in capsule and tablet forms. The extract can be consumed to harness its health benefits, but users should follow any suggested guidelines or consult a healthcare provider for proper dosing.
What the Science Says
Scientific studies have highlighted some promising aspects of grape seed extract. Laboratory research indicates that grape seeds are rich in antioxidants, which can protect cells from damage caused by free radicals. Free radicals are unstable molecules that can negatively impact cell function.
Despite preliminary findings, the overall effects of grape seed extract on human health remain unclear. Some early clinical trials have suggested beneficial antioxidant effects, but many studies lack focus on specific diseases or conditions. Notably, a study funded by the National Cancer Institute (NCI) found that grape seed extract did not prevent the hardening of breast tissue that can occur after radiation therapy for breast cancer. Currently, NCI is funding further studies to explore the effectiveness of grape seed extract in reducing the risk of breast and prostate cancers.
The National Center for Complementary and Integrative Health (NCCIH) is also investigating ways in which grape seed extract and its components may benefit heart health and offer protective effects on brain function.
Side Effects and Cautions
Grape seed extract is generally well tolerated when taken orally, and clinical trials have demonstrated its safety for use up to eight weeks. Nonetheless, some users may experience side effects, which can include:
- Headache
- Dry or itchy scalp
- Dizziness
- Nausea
Given that the interactions between grape seed extract and medications or other supplements have not been extensively studied, it’s essential to inform your healthcare providers of any complementary or alternative practices you are using. This is crucial for ensuring coordinated and safe care.
Conclusion
Grape seed extract is a widely recognized supplement with potential benefits for heart health, diabetes complications, and more. While it shows promise, it is essential to use it with care and consult healthcare professionals to ensure it aligns with your health needs. As research continues, more information will likely surface about this intriguing supplement’s effects and efficacy.
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Resources
- Drugs.com
- Wikipedia.com
- NCCAM National Institutes of Health
- Brooker S, Martin S, Pearson A, et al. Double-blind, placebo-controlled, randomized phase II trial of IH636 grape seed proanthocyanidin extract (GSPE) in patients with radiation-induced breast induration. Radiotherapy and Oncology. 2006;79(1):45-51.
- Clouatre DL, Kandaswami C. Grape seed extract. In: Coates P, Blackman M, Cragg G, et al., eds. Encyclopedia of Dietary Supplements. New York, NY: Marcel Dekker; 2005:309-325.
- Grape. Natural Medicines Comprehensive Database Website.
- Grape seed (Vitis vinifera, Vitis coignetiae). Natural Standard Database website.Â
This summary highlights the key aspects of Grape Seed Extract, including its traditional uses, potential benefits, and safety considerations.
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Disclaimer
The information I’ve shared about herbs is for educational purposes only and is not meant as medical advice. While many herbs have been traditionally used for their potential health benefits, individual responses may vary, and the effectiveness of herbs can depend on various factors, including personal health conditions and interactions with medications. It is essential to consult with a qualified healthcare professional or a licensed herbalist before using herbs for medicinal purposes or making significant changes to your health regimen. This information should not be considered a substitute for professional medical advice, diagnosis, or treatment.