Best Grape Seed Extract Supplements 2026: Cost per Effective Dose
Top pick for Grape Seed Extract: Nutricost Grape Seed Extract 400mg (95% Proanthocyanidins, 70:1 Extract) — 400mg GSE extract per 1 capsule, None claimed, $0.08/day.
All Grape Seed Extract Supplements Compared
All 6 products sorted by cost per labelled serving (lowest first). Dose, certification, and pricing verified against NIH DSLD and manufacturer data.
Read the dose column before the price column. Servings in this category are not equivalent — they range from 100 to 500 mg per serving. A lower cost per day here can simply mean a smaller serving, so the cheapest row is not automatically the best value.
| Product | Brand | Dose / Serving | Cost / Day | Certification | Pick | Buy |
|---|---|---|---|---|---|---|
| Nutricost Grape Seed Extract 400mg (95% Proanthocyanidins, 70:1 Extract) | Nutricost | 400mg GSE extract / 1 capsule | $0.08 | None claimed | Buy | |
| Bronson Grape Seed Extract 400mg (95% OPCs) | Bronson | 400mg GSE extract / 1 capsule | $0.11 | None claimed | Buy | |
| NOW Foods Grape Seed 100mg (90% Standardized, with Vitamin C) | NOW Foods | 100mg GSE extract / 1 veg capsule | $0.13 | cGMP; widely recognized brand | Buy | |
| Puritan's Pride Grapeseed Extract 200mg (2 Capsules/Day) | Puritan's Pride | 400mg GSE extract / 2 capsules | $0.15 | None claimed | Buy | |
| Doctor's Recipes Grape Seed Extract 500mg (95% OPCs) | Doctor's Recipes | 500mg GSE extract / 1 capsule | $0.27 | None claimed | Buy | |
| Life Extension Grapeseed Extract with Vitamin C, Resveratrol & Calcium | Life Extension | 100mg GSE extract / 1 capsule | $0.45 | Combo product: grape seed extract + vitamin C + resveratrol + calcium — NOT a pure GSE product | Buy |
In-Depth Grape Seed Extract Guides
Go deeper on grape seed extract — by goal, by form, and what the evidence actually supports:
Our Picks
Lowest Cost: Nutricost Grape Seed Extract 400mg (95% Proanthocyanidins, 70:1 Extract)
400mg GSE extract per 1 capsule. None claimed. $0.08/day. 240 servings per container at $19.95.
Nutricost Grape Seed Extract 400mg (95% Proanthocyanidins, 70:1 Extract) →
How We Rank Grape Seed Extract Supplements
Every product is evaluated on three criteria:
- Cost per day. Not cost per pill or cost per bottle — what it actually costs per day at the product's labelled serving. Where a category's servings differ in strength we flag it above the table, because cost per day is only comparable when the doses are.
- Third-party certification. USP Verified, NSF Certified for Sport, and ConsumerLab Approved indicate independent testing for purity, potency, and contaminants.
- Bioavailable form. We prioritize products using the specific chemical form shown to be most effective in published research.
Rankings are not influenced by affiliate commissions. We earn the same commission regardless of which product you choose. Read our full methodology.
Personalize Your Grape Seed Extract Choice
Not sure which grape seed extract supplement is right for you? Use our free tools:
- DNA Supplement Analyzer — upload 23andMe or AncestryDNA data to check for genetic variants affecting grape seed extract metabolism. Runs entirely in your browser.
- Lab Results Interpreter — enter your blood test values to get personalized dosing recommendations.
- Supplement Stack Builder — build a complete protocol based on your age, sex, medications, and goals.
- Supplement Audit — already taking grape seed extract? Check if you have the right form and dose.