Vital Extracts, Resveratrol Japanese Knotweed, 60 VegCaps
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Japanese Knotweed (Polygonum cuspidatum) (root/rhizome extract) (Guaranteed 90 mg [40%] Total Resveratrol and 45 mg [20%] Transresveratrol) | 225 mg | * |
| Grape (Vitis vinifera) (skin extract) (Guaranteed 20 mg [20%] Polyphenols) | 100 mg | * |
| Grape (Vitis vinifera) (seed extract) (Guaranteed 190 mg [95%] Polyphenols, including Oligomeric Proanthocyanidins [OPC's]) | 200 mg | * |
| Red Wine Extract | 25 mg | * |
Bioavailability Good
Absorption Rating
- Japanese Knotweed (Polygonum cuspidatum) (root/rhizome extract) (Guaranteed 90 mg [40%] Total Resveratrol and 45 mg [20%] Transresveratrol) Fair
- Grape (Vitis vinifera) (skin extract) (Guaranteed 20 mg [20%] Polyphenols) Fair
- Grape (Vitis vinifera) (seed extract) (Guaranteed 190 mg [95%] Polyphenols, including Oligomeric Proanthocyanidins [OPC's]) Fair
- Red Wine Extract Good
Other Ingredients Excellent
Fillers & Additives
- Vegetable Cellulose Capsule
- Organic Rice Extract Blend and Silica
Efficacy Poor
Dosage Analysis
- Japanese Knotweed (Polygonum cuspidatum) (root/rhizome extract) (Guaranteed 90 mg [40%] Total Resveratrol and 45 mg [20%] Transresveratrol) 225 mg Under-dosed
- Grape (Vitis vinifera) (skin extract) (Guaranteed 20 mg [20%] Polyphenols) 100 mg Under-dosed
- Grape (Vitis vinifera) (seed extract) (Guaranteed 190 mg [95%] Polyphenols, including Oligomeric Proanthocyanidins [OPC's]) 200 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Japanese Knotweed (Polygonum cuspidatum) (root/rhizome extract) (Guaranteed 90 mg [40%] Total Resveratrol and 45 mg [20%] Transresveratrol) | 225 mg | * |
| Grape (Vitis vinifera) (skin extract) (Guaranteed 20 mg [20%] Polyphenols) | 100 mg | * |
| Grape (Vitis vinifera) (seed extract) (Guaranteed 190 mg [95%] Polyphenols, including Oligomeric Proanthocyanidins [OPC's]) | 200 mg | * |
| Red Wine Extract | 25 mg | * |
Other Ingredients
Organic Rice Extract Blend and Silica Generally_safe
Price Comparison
Price History
Tracked across major retailers. Updated periodically.
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Certifications
4 certifications
Transparency
3 claims
Violation History
4 incidents
Is Solaray Vital Extracts, Resveratrol Japanese Knotweed a good supplement?
Solaray Vital Extracts, Resveratrol Japanese Knotweed, 60 VegCaps received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Solaray, holds a brand trust score of 81/100 with 4 verified certifications including Fda Gmp Inspections, Non Gmo Project, Nsf Gmp, Usda Organic.
What are the ingredients in Solaray Vital Extracts, Resveratrol Japanese Knotweed?
Solaray Vital Extracts, Resveratrol Japanese Knotweed contains 4 active ingredients: Japanese Knotweed (Polygonum cuspidatum) (root/rhizome extract) (Guaranteed 90 mg [40%] Total Resveratrol and 45 mg [20%] Transresveratrol) (225 mg), Grape (Vitis vinifera) (skin extract) (Guaranteed 20 mg [20%] Polyphenols) (100 mg), Grape (Vitis vinifera) (seed extract) (Guaranteed 190 mg [95%] Polyphenols, including Oligomeric Proanthocyanidins [OPC's]) (200 mg), Red Wine Extract (25 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Solaray Vital Extracts, Resveratrol Japanese Knotweed safe to take?
Solaray Vital Extracts, Resveratrol Japanese Knotweed, 60 VegCaps 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 Solaray a trustworthy supplement brand?
Solaray receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Salt Lake City & Park City, UT, USA (Manufacturing in Ogden, UT), the company offers 697 products in their lineup. They hold 4 verified certifications including Fda Gmp Inspections, Non Gmo Project, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Solaray has 4 historical regulatory incidents on record, which are factored into the trust score.
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