Resveratrol
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calcium | 159 mg | 16% |
| Polygonum cuspidatum root extract (as Total Resveratrols) | 1 g | † |
| Grape seed extract | 5 mg | † |
Bioavailability Very Good
Absorption Rating
- Calcium Good
- Polygonum cuspidatum root extract (as Total Resveratrols) Fair
- Grape seed extract Good
Other Ingredients Excellent
Fillers & Additives
- Dibasic Calcium Phosphate
- Stearic Acid
- Modified Cellulose Gum
- Silica
- Magnesium Stearate
Efficacy Poor
Dosage Analysis
- Calcium 159 mg Under-dosed
- Polygonum cuspidatum root extract (as Total Resveratrols) 1 g Effective
- Grape seed extract 5 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Calcium | 159 mg | 16% |
| Sodium | 10 mg | 1% |
| Polygonum cuspidatum root extract (as Total Resveratrols) | 1 g | † |
| Grape seed extract | 5 mg | † |
Other Ingredients
Dibasic Calcium Phosphate Generally_safe
Stearic Acid Safe
Modified Cellulose Gum Generally_safe
Silica Safe
Magnesium Stearate Safe
Price Comparison
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Is Source Naturals Resveratrol a good supplement?
Source Naturals Resveratrol received a product quality score of 79/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients with 30 servings per container. Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.
What are the ingredients in Source Naturals Resveratrol?
Source Naturals Resveratrol contains 4 active ingredients: Calcium (159 mg), Sodium (10 mg), Polygonum cuspidatum root extract (as Total Resveratrols) (1 g), Grape seed extract (5 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Source Naturals Resveratrol safe to take?
Source Naturals Resveratrol 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 Source Naturals a trustworthy supplement brand?
Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.
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