What is the recommended dosage for Grape Seed Extract?

General: 100-300 mg/day; Skin Health: 100-400 mg/day standardized to 95% OPCs

What are the side effects of Grape Seed Extract?

Potential side effects include: Mild gastrointestinal discomfort, Headache (rare), Dizziness (rare).

What is grape seed extract and how may it support skin health?

Grape seed extract contains oligomeric proanthocyanidins (OPCs) with strong antioxidant activity. It may protect collagen and elastin from enzymatic degradation, improve microcirculation in the skin, and reduce UV-induced oxidative damage. Some clinical trials show benefits for skin elasticity, hyperpigmentation, and wound healing.

What dosage of grape seed extract has been studied for skin benefits?

Skin-related studies have used 100–400 mg of grape seed extract per day, standardized to 80–95% OPCs. Improvements in skin elasticity and melanin index were observed at 200 mg daily for 6–12 months. Chloasma (melasma) studies used 200 mg daily. Higher OPC standardization may correlate with greater efficacy.

What are the potential side effects of grape seed extract?

Grape seed extract is generally well tolerated. Mild side effects include headache, digestive discomfort, and sore throat. It may increase bleeding risk when combined with anticoagulants or antiplatelet drugs. Individuals with grape allergies should avoid this supplement. No serious adverse events have been reported in skin studies.

Grape Seed Extract
Grape Seed Extract

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Também conhecido como: OPC, Oligomeric Proanthocyanidins, Vitis vinifera Extract, GSE

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About

Grape seed extract is a rich source of oligomeric proanthocyanidins (OPCs) that bind and stabilize collagen and elastin fibers with 20x the antioxidant capacity of vitamin C. An RCT found grape seed extract improved skin elasticity and melanin index in women with chloasma after 6 months.

How It Works

Rich source of oligomeric proanthocyanidins (OPCs) that bind and stabilize collagen and elastin fibers; potent free radical scavenger with 20x antioxidant capacity of vitamin C and 50x of vitamin E; may inhibit UV-induced MMP expression and support microvascular integrity in skin.

Evidence For Conditions

Condição	Nota	Estudos	Participantes
Aging Skin & Wrinkles	C	5	280	Ver →
Hyperpigmentation	C	3	180	Ver →

Side Effects

Mild gastrointestinal discomfort
Headache (rare)
Dizziness (rare)

Drug & Supplement Interactions

Anticoagulants (may have antiplatelet effects)
NSAIDs (may have additive effects)
Iron supplements (tannins may reduce absorption)

Informe sempre o seu profissional de saúde sobre todos os suplementos que você toma.Sempre informe seu profissional de saúde sobre todos os suplementos que você toma.

Related Ingredients

Green Tea Extract Aloe Vera Turmeric (Curcumin) Saw Palmetto

Dados Rápidos

Dosagem: General: 100-300 mg/day; Skin_Health: 100-400 mg/day standardized to 95% OPCs
Formas: capsule tablet liquid extract
Fontes Naturais: Grape seeds, Red wine, Grape skins
Limite Superior: Generally well-tolerated up to 600 mg/day
Melhor Horário: With or without food; well absorbed

Resumo das Evidências

Aging Skin & Wrinkles C

Hyperpigmentation C

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.