Home/ Supplements/ Grape Seed/ OPC-3 (Oligomeric Proanthocyanidins)

OPC-3 (Oligomeric Proanthocyanidins)

product on market Powder DNA Miracles Isotonix Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 43% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains vitamins C, D3, and E, which have strong evidence for supporting immune function and antioxidant defense. Biotin is recognized for its role in metabolic processes and skin health. However, the overall evidence coverage for this specific ingredient profile is very limited.

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

Label

Product Label

Label for OPC-3 (Oligomeric Proanthocyanidins)
Open Full PDF View on NIH DSLD →
Details

Label Data

3.3 Gram(s)
Serving Size
45
Servings
Other Combinations
Product Type
43%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
100 mg (667% DV)
5 mcg (33% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
11 mg (183% DV)
Within RDA (0.7× RDA) 179 studies (A:3, B:90)
75 mcg (938% DV)
2.5× RDA — within safe limits 27 studies (A:0, B:11)
Calcium
200 mg (29% DV)
75 mg (94% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
Potassium
50 mg (2% DV)
Pycnogenol
20 mg
Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
Red Wine extract
12.5 mg
Market median: 100.0mg (120 products)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Market median: 100.0mg (173 products)

Other Ingredients

Citric Acid Grapefruit Juice, Powder Malic Acid Fructose Raspberry Fruit Juice, Powder Grape Flavor, Natural Raspberry Flavor, Natural Grape Skin Extract Rebaudioside A Silicon Dioxide Luo Han Guo fruit extract Stearic Acid Maltodextrin
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions for use: children 2 and 3 years of age: Poor 1 level, white bottle capful of powder into the overcap. Add water to the line on the overcap (2 fl oz/60ml) and stir. Take once daily or as directed by your healthcare provider. Adults and children 4 years of age and older: take 2 capfuls daily, or as directed by your healthcare provider.

Warnings & Precautions

Keep out of reach of children.

Do not use if safety seal is broken or missing.

Resale on third-party websites is strictly prohibited unless specifically authorized by Market America or its corporate affiliates. If barcodes are altered or you purchase this product from an unauthorized third-party website, the product is not guaranteed by Market America or its corporate affiliates.

Formulation Notes

Nature’s Super Antioxidant Pycnogenol Look, Feel, And Live Better

Provides strong antioxidant defense Helps maintain brain health Supports the production of neurotransmitters

Powerful free-radical scavenger

Maximum absorption occurs when taken on an empty stomach. This product is isotonic only if the specified amounts of powder and water are used.

Additional Information

Store in a cool, dry place.

Learn more at dnamiracles.com

Servings per container: 90 (ages 2-3)/45 (ages 4+)

Metadata

Product Details

UPC / SKU8 48570 00223 5
DSLD Entry Date2023-11-22
Product TypeOther Combinations
FormPowder
DSLD ID298859
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
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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.