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Best Grape seed extract (OPC) products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 56 · Reference range: 15.8 – 475 mg (source) · Updated 2026-10-30
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 — Methodology · Grape seed extract (OPC) →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
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| 1 tie |
Grapeseed 100 mg Standardized Extract Softgels International Vitamin Corporation · Health Canada LNHPD |
100 mg | 84.0 | Breakdown
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| 1 tie |
MapleLife¿ Nutrition and Formula Grape Seed OPC 60 mg Capsules Nutralab Canada Corp. · Health Canada LNHPD |
60 mg | 84.0 | Breakdown
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| 1 tie |
One-A-Day Grape Seed 19000 Integria Healthcare (Australia) Pty Ltd · Health Canada LNHPD |
158 mg | 84.0 | Breakdown
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| 4 | SWISSE ULTIBOOST GRAPE SEED EXTRACT PLUS TABLET Swisse · Malaysia NPRA |
119 mg | 76.2 | Breakdown
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| 5 tie |
Grape Seed Extract 200 mg Vitacost · US NIH DSLD |
200 mg | 75.0 | Breakdown
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| 5 tie |
Grape Seed Extract Plus Flora · US NIH DSLD |
180 mg | 75.0 | Breakdown
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| 7 tie |
All Natural, Heart Health, Grape Seed Extract All Natural Nutritional Products (ANNP) Inc. · Health Canada LNHPD |
200 mg | 69.0 | Breakdown
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| 7 tie |
BEC Grape Seed Extract / Extrait de Pépins de Raisin Biotechnologies Explorer Canada Inc. · Health Canada LNHPD |
60 mg | 69.0 | Breakdown
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| 7 tie |
Bill Natural Sources OPCs-3 capsules Bill Beauty & Health Products Ltd. · Health Canada LNHPD |
50 mg | 69.0 | Breakdown
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| 7 tie |
Biopurified OPCs Nutragiant Phytopharm Inc. · Health Canada LNHPD |
150 mg | 69.0 | Breakdown
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| 7 tie |
Dr. Tahir's Anti-Oxidant Formula capsules Toronto College of Naturopathic Medicine Inc. · Health Canada LNHPD |
450 mg | 69.0 | Breakdown
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| 7 tie |
Enoch Grape Seed 100 Enoch Nutrition Research Development Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
GFU Grape Seed 100mg Capsules GFU Pharmaceutical Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
GFU Grape Seed 100mg Softgels GFU Pharmaceutical Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
GFU Grape Seed 120 Mg Capsules GFU Pharmaceutical Inc. · Health Canada LNHPD |
120 mg | 69.0 | Breakdown
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| 7 tie |
GFU Grape Seed 120 mg Softgels GFU Pharmaceutical Inc. · Health Canada LNHPD |
120 mg | 69.0 | Breakdown
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| 7 tie |
GFU Grape Seed 60 Mg Softgels GFU Pharmaceutical Inc. · Health Canada LNHPD |
60 mg | 69.0 | Breakdown
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| 7 tie |
GFU Grape Seed 60 mg Capsules GFU Pharmaceutical Inc. · Health Canada LNHPD |
60 mg | 69.0 | Breakdown
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| 7 tie |
GRAPE SEED FoodScience, LLC · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Genestra Brands Grapenol Seroyal International · Health Canada LNHPD |
25 mg | 69.0 | Breakdown
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| 7 tie |
Gold Vitamins Grape Seed Extract 100 mg Sunnylife Health Enterprises Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed 100mg Balance Can Canada Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract Bountiful Canada Vitamins ULC · Health Canada LNHPD |
50 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract RX BALANCE TECHNOLOGY INC. · Health Canada LNHPD |
41.7 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract Celex Laboratories Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract 100 mg Prime Health Ltd. (Canada Global Life Sciences) · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract 100mg Alive Vitamins · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract 120 mg Absorb Science Inc. · Health Canada LNHPD |
120 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract 30 mg Prime Health Ltd. (Canada Global Life Sciences) · Health Canada LNHPD |
30 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract 50 mg Capsule CellChem Pharmaceuticals Inc. · Health Canada LNHPD |
50 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed Extract 60 mg Prime Health Ltd. (Canada Global Life Sciences) · Health Canada LNHPD |
60 mg | 69.0 | Breakdown
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| 7 tie |
Grape Seed-100 FoodScience, LLC · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Herbal Select Standardized Grapeseed Extract Puresource Corp. · Health Canada LNHPD |
50 mg | 69.0 | Breakdown
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| 7 tie |
Herbaland Grape Seed Extract 100 mg Capsules Herbaland Naturals Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Ivy Naturals Grape Seed Extract Rejoice Health Products Ltd. · Health Canada LNHPD |
60 mg | 69.0 | Breakdown
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| 7 tie |
Jerry Grape Seed Extract / Extrait de pépins de raisin Jerry Business Canada Inc. · Health Canada LNHPD |
60 mg | 69.0 | Breakdown
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| 7 tie |
NUTRIBRIDGE SHEEP PLACENTA 600MG WITH GRAPE SEED EXTRACT SOFTGEL Nutribridge · Malaysia NPRA |
50 mg | 69.0 | Breakdown
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| 7 tie |
NutraWorld Grape Seed Extract Super OPC 100 mg Phyto International Enterprises · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Nutritech Grape Seed 100mg Capsules Nutritech Explorer (Canada) Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Nutritech Grape Seed 100mg Softgels Nutritech Explorer (Canada) Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
OPCs Canada Optimal Nature Inc. · Health Canada LNHPD |
150 mg | 69.0 | Breakdown
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| 7 tie |
Organika Health Products Inc. Grape Seed Extract liquid Organika Health Products Inc. · Health Canada LNHPD |
35 mg | 69.0 | Breakdown
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| 7 tie |
POLIQUIN GRAPE SEED SUPREME Supplements K.D. Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Protovin One Omega Biotech Corporation · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Standardized Grapeseed Extract 1123573 BC Ltd. · Health Canada LNHPD |
50 mg | 69.0 | Breakdown
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| 7 tie |
THP Grape Seed Extract 60 mg Plus Softgel Capsule Zas Pharma Sdn Bhd · Malaysia NPRA |
60 mg | 69.0 | Breakdown
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| 7 tie |
Trophic Grape Seed Extract Trophic Canada · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
Vita Grape Seed 100mg Capsules Vita Naturals Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
VitaScience Grape Seed Extract Complex Capsule VitaScience · Malaysia NPRA |
118 mg | 69.0 | Breakdown
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| 7 tie |
West Coast Natural Grape Seed Extract 100 mg Capsules WCN BIO TECH Inc. · Health Canada LNHPD |
100 mg | 69.0 | Breakdown
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| 7 tie |
West Coast Naturals Grape Seed Extract 50 mg Capsules WCN BIO TECH Inc. · Health Canada LNHPD |
50 mg | 69.0 | Breakdown
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| 7 tie |
Wholesome Grape Wholesome Living Nutrients Inc. · Health Canada LNHPD |
360 mg | 69.0 | Breakdown
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| 7 tie |
Wholesome Grape Seed Extract Wholesome Living Nutrients Inc. · Health Canada LNHPD |
400 mg | 69.0 | Breakdown
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| 7 tie |
Zaley Grape Seed Extract / Extrait de Pépins de Raisin Biotechnologies Explorer Canada Inc. · Health Canada LNHPD |
60 mg | 69.0 | Breakdown
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| 55 | Grape Seed Extract WN Pharmaceuticals Ltd · Health Canada LNHPD |
50 mg | 62.0 | Breakdown
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| 56 | Vigne Rouge BIO Super Diet Productions SAS · Health Canada LNHPD above_upper |
1,440 mg | 26.0 | Breakdown
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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.