Swanson Resveratrol, 250 mg, 30 Capsules supplement bottle
Swanson

Resveratrol, 250 mg, 30 Capsules

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 6 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
90
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Resveratrol (Polygonum cuspidatum root extract) 250 mg *
Bioavailability Fair

Absorption Rating

  • Resveratrol (Polygonum cuspidatum root extract) Fair
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Rice Flour
  • Calcium Palmitate
  • Silica
Efficacy Excellent

Dosage Analysis

  • Resveratrol (Polygonum cuspidatum root extract) 250 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Resveratrol (Polygonum cuspidatum root extract) 250 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Calcium Palmitate Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

iHerb $20.79
Best Price

Price History

Tracked across major retailers. Updated periodically.

$23$22$21$20$19 Mar 12 $20.79
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Swanson

Founded 1969 · Fargo, North Dakota, United States · 994 products · swansonvitamins.com

Certifications

6 certifications
Consumerlab Verified
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Npa Gmp Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

6 incidents
Recall Vitamin B12 Methylcobalamin High Absorption2022-03-04Source
Lawsuit Website not accessible to blind individuals, violating the Americans with Disabilities Act (ADA).2019Source
Prop 65 Lead2015-11-03Source
Recall Swanson Premium Brand Full Spectrum Cilantro (Coriander)2014-04-04Source
Recall Swanson Organic Celery Seed (Whole)2011-12-16Source
Fda Warning Products contained an unauthorized drug (lovastatin) and were marketed with claims to treat high cholesterol, rendering them unapproved new drugs.2007-08-08Source
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Frequently Asked Questions
Is Swanson Resveratrol, 250 mg a good supplement?

Swanson Resveratrol, 250 mg, 30 Capsules received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Swanson, holds a brand trust score of 90/100 with 6 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Npa Gmp.

What are the ingredients in Swanson Resveratrol, 250 mg?

Swanson Resveratrol, 250 mg contains 1 active ingredients: Resveratrol (Polygonum cuspidatum root extract) (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Swanson Resveratrol, 250 mg safe to take?

Swanson Resveratrol, 250 mg, 30 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Swanson a trustworthy supplement brand?

Swanson receives a brand trust score of 90/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1969 and headquartered in Fargo, North Dakota, United States, the company offers 994 products in their lineup. They hold 6 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Npa Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Swanson has 6 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.