Jarrow Formulas Resveratrol Synergy supplement bottle
Jarrow Formulas

Resveratrol Synergy

What We Researched
7 active ingredients analyzed · 9 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
78
Product Score Fair
83
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 100 mg 111%
Resveratrol (as Tiger Cane) 200 mg
Green Tea Leaf Extract (as Camellia sinensis Leaf Extract) 200 mg
Quercetin 100 mg
Grape skin extract 100 mg
Grape Seed Extract 50 mg
Trans-Pterostilbene (as Dimethylresveratrol, Pterocarpus marsupium) 10 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Resveratrol (as Tiger Cane) Fair
  • Green Tea Leaf Extract (as Camellia sinensis Leaf Extract) Good
  • Quercetin Fair
  • Grape skin extract Fair
  • Grape Seed Extract Good
  • Trans-Pterostilbene (as Dimethylresveratrol, Pterocarpus marsupium) Good
Other Ingredients Excellent

Fillers & Additives

  • Silicified Microcrystalline Cellulose
  • Maltodextrin
  • Calcium Phosphate
  • Croscarmellose Sodium
  • Stearic Acid
  • Magnesium Stearate
  • Silicon Dioxide
  • Hydroxypropyl Methylcellulose
  • Glycerin
Efficacy Fair

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 100 mg Effective
  • Resveratrol (as Tiger Cane) 200 mg Effective
  • Green Tea Leaf Extract (as Camellia sinensis Leaf Extract) 200 mg Under-dosed
  • Quercetin 100 mg Under-dosed
  • Grape skin extract 100 mg Effective
  • Grape Seed Extract 50 mg Under-dosed
  • Trans-Pterostilbene (as Dimethylresveratrol, Pterocarpus marsupium) 10 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid) 100 mg 111%
Resveratrol (as Tiger Cane) 200 mg
Green Tea Leaf Extract (as Camellia sinensis Leaf Extract) 200 mg
Quercetin 100 mg
Grape skin extract 100 mg
Grape Seed Extract 50 mg
Trans-Pterostilbene (as Dimethylresveratrol, Pterocarpus marsupium) 10 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Silicified Microcrystalline Cellulose Generally_safe

It is used as a filler and flow agent in supplements.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Calcium Phosphate Generally_safe

It is used as a filler and anticaking agent in supplements.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Price Comparison

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

Brand Trust Report
Jarrow Formulas

Founded 1977 · Los Angeles, California, USA · 138 products · jarrow.com/

Certifications

5 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Recall Liquid L-Carnitine2018-01-15Source
Prop 65 Lead2017-09-07Source
Related Supplements
Frequently Asked Questions
Is Jarrow Formulas Resveratrol Synergy a good supplement?

Jarrow Formulas Resveratrol Synergy received a product quality score of 78/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 7 active ingredients with 60 servings per container. Of the 9 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, Jarrow Formulas, holds a brand trust score of 83/100 with 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Usda Organic.

What are the ingredients in Jarrow Formulas Resveratrol Synergy?

Jarrow Formulas Resveratrol Synergy contains 7 active ingredients: Vitamin C (as Ascorbic Acid) (100 mg), Resveratrol (as Tiger Cane) (200 mg), Green Tea Leaf Extract (as Camellia sinensis Leaf Extract) (200 mg), Quercetin (100 mg), Grape skin extract (100 mg), Grape Seed Extract (50 mg), and 1 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Jarrow Formulas Resveratrol Synergy safe to take?

Jarrow Formulas Resveratrol Synergy 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 Jarrow Formulas a trustworthy supplement brand?

Jarrow Formulas receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1977 and headquartered in Los Angeles, California, USA, the company offers 138 products in their lineup. They hold 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Jarrow Formulas has 2 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.