Home/ Supplements/ Grape Seed/ OPC - 150 mg Antioxidant 95%

OPC - 150 mg Antioxidant 95%

product on market Capsule MicroTech Professional Formulations Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Grape seed extract contains proanthocyanidins that act as antioxidants to support vascular health and reduce oxidative stress. Research evidence for these effects is generally moderate, though the proprietary blend limits specific dose transparency. The ingredient profile maintains a high safety rating for most users.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for OPC - 150 mg Antioxidant 95%
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
Proprietary Blend
350 mg

Other Ingredients

Gelatin Magnesium Silicate Rice Protein
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: 1 capsule twice daily.

Warnings & Precautions

Warning: Do not use if the inner seal is broken or damaged.

As always, consult your physician before using this product if you are pregnant, lactating or have a medical condition.

Keep out of reach of children.

Formulation Notes

Proanthocyanidins, are the most active antioxidant discovered to date. 100% natural botanical product derived from grape seed extract.

Metadata

Product Details

DSLD Entry Date2020-03-24
Product TypeOther Combinations
FormCapsule
BrandMicroTech Professional Formulations
DSLD ID214861
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.