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Grape Seed Extract 50 mg

product on market Capsule Sundown Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Grape seed extract and citrus bioflavonoids provide antioxidant properties that may support vascular health. Research evidence for these specific benefits is generally limited to moderate strength. The ingredient profile maintains a high safety score with no significant concerns noted.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Grape Seed Extract 50 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
Other Combinations
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Rice Flour Gelatin Contains Less Than 2% of
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: FOR ADULTS, TAKE ONE (1) TO TWO (2) CAPSULES TWICE DAILY, PREFERABLY WITH MEALS. Capsules may be opened and prepared as a tea. As a reminder, discuss the supplements and medications you take with your health care providers.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use.

Contains milk ingredients.

Discontinue use and consult your doctor if any adverse reactions occur.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

Formulation Notes

WITH RESVERATROL

No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Soy, No Gluten, No Wheat, No Yeast, No Fish.

Sodium Free.

Additional Information

STORE IN A DRY PLACE AND AVOID EXCESSIVE HEAT.

Prod. No. 44767 06E B11 GAZ

Promotes Antioxidant Support for the Heart*

Smart Facts Grape Seed Extract contains naturally occurring polyphenols to support antioxidant health for the heart.* Antioxidants help fight cell-damaging free radicals in the body.* Free radicals can contribute to oxidative stress, which in turn may contribute to the premature aging of cells.* This formula also contains citrus bioflavonoids for added antioxidant benefits.*

Standardized Extract

GUARANTEED QUALITY LABORATORY TESTED

PLEASE RECYCLE

Metadata

Product Details

UPC / SKU0 30768 00403 3
DSLD Entry Date2012-02-23
Product TypeOther Combinations
FormCapsule
BrandSundown Naturals
DSLD ID5840
Data Updated2026-04-11
Research

Research Evidence

14
Research Sources
50
Avg Quality
9
Rct
2
Meta Analysis
2
Clinical Trial
1
Systematic Review
B Low Dose Monacolin K Combined with Coenzyme Q10, Grape Seed, and Olive Leaf Extracts Lowers LDL Cholesterol in Patients with Mild Dyslipidemia: A Multicenter, Randomized Controlled Trial
Rct Nutrients 2023 PubMed DOI
B Efficacy of Bilberry and Grape Seed Extract Supplement Interventions to Improve Glucose and Cholesterol Metabolism and Blood Pressure in Different Populations-A Systematic Review of the Literature
Systematic Review Nutrients 2021 PubMed DOI
B The effect of grape seed extract on cardiovascular risk markers: a meta-analysis of randomized controlled trials
Meta Analysis Journal of the American Dietetic Association 2011 PubMed DOI
B The impact of grape seed extract treatment on blood pressure changes: A meta-analysis of 16 randomized controlled trials
Meta Analysis Medicine 2016 PubMed DOI
B Grape Seed Extract Positively Modulates Blood Pressure and Perceived Stress: A Randomized, Double-Blind, Placebo-Controlled Study in Healthy Volunteers
Rct Nutrients 2021 PubMed DOI
C Effects of grape seed extract beverage on blood pressure and metabolic indices in individuals with pre-hypertension: a randomised, double-blinded, two-arm, parallel, placebo-controlled trial
Rct The British journal of nutrition 2016 PubMed DOI
C Effect of grape seed extract on blood pressure in subjects with the metabolic syndrome
Rct Metabolism: clinical and experimental 2009 PubMed DOI
C Grape seed extract supplementation along with a restricted-calorie diet improves cardiovascular risk factors in obese or overweight adult individuals: A randomized, placebo-controlled trial
Rct Phytotherapy research : PTR 2021 PubMed DOI
C The effect of polyphenol-rich chardonnay seed supplements on peripheral endothelial function.
Rct European journal of nutrition PubMed DOI
C The effects of grape seed extract supplementation on cardiovascular risk factors, liver enzymes and hepatic steatosis in patients with non-alcoholic fatty liver disease: a randomised, double-blind, placebo-controlled study.
Rct BMC complementary medicine and therapies PubMed DOI
View all evidence for Grape Seed →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.