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Grape Seed
Extract

Moderate study situation·7/10
A higher score indicates better study conditions, but not necessarily effectiveness.

Antioxidant-rich supplement derived from grape seeds, primarily used for cardiovascular, antioxidant, and skin health benefits.

LongevityAnti-AgingAnti-inflammatoryCardiovascular SupportAntioxidantSkin Health
dose range
100–300 mg
1–2 times daily
Consumption
Take with meals to support absorption.
Not fat-soluble.
Best time
Morning or with first meal is common; may split dose for higher intakes or specific therapeutic uses.

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Description

Grape seed extract (GSE) is derived from Vitis vinifera seeds and is rich in oligomeric proanthocyanidins (OPCs) and other polyphenols. It is widely used to support cardiovascular function, provide antioxidant protection, and promote skin health, based on moderate clinical and mechanistic evidence.

benefits
Main effects with level of evidence
Moderate
Note on evidence

Benefits for cardiovascular support and antioxidant protection have moderate evidence, while skin and anti-aging effects have limited but promising data.

Supports cardiovascular health and blood pressure

Moderate

Supplementation with GSE may lower systolic blood pressure and improve endothelial function, likely through increased nitric oxide and reduced inflammation.

Particularly relevant for: Adults with hypertension · Individuals at cardiovascular risk
S1 · Grape Seed Extract and Cardiovascular Health: A Systematic ReviewS2 · Grape Seed Extract Proanthocyanidins: In vitro and In vivo Evidence for Applications in Dermatology and Cardiovascular HealthS5 · NIH Office of Dietary Supplements: Grape Seed Extract

Provides antioxidant protection

Moderate

Grape seed extract is a strong source of proanthocyanidins, which exhibit potent antioxidant properties, protecting cells from oxidative stress and free radical damage.

Particularly relevant for: Individuals seeking antioxidant support · Longevity-focused adults
S2 · Grape Seed Extract Proanthocyanidins: In vitro and In vivo Evidence for Applications in Dermatology and Cardiovascular HealthS5 · NIH Office of Dietary Supplements: Grape Seed ExtractS6 · Examine.com: Grape Seed Extract

Promotes skin elasticity and anti-aging

Limited

Studies suggest GSE supplementation can improve skin hydration, elasticity, and reduce wrinkles, potentially due to collagen stabilization and anti-inflammatory effects.

Particularly relevant for: Adults concerned with skin aging
S3 · Oral Grape Seed Extract in Improving Skin Aging: A Clinical StudyS2 · Grape Seed Extract Proanthocyanidins: In vitro and In vivo Evidence for Applications in Dermatology and Cardiovascular Health

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This information is for educational purposes only and does not replace medical advice.
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This website is for educational and informational purposes only and does not constitute medical advice or professional services. The information provided should not be used to diagnose or treat any health problem or disease. Persons requiring medical advice should consult a licensed physician.