Extra Strength Resveratrol
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Polygonum cuspidatum extract | 700 mg |
Certifications & Testing
Other Ingredients
Hypromellose, Magnesium Stearate, Silicon Dioxide
Recommended Use
Suggested usage: Take 1 capsule daily.
Warnings
Caution: For adults only. Resveratrol may interact with many pharmaceutical medications (especially NSAIDs, including diclofenac). Consult physician if pregnant/nursing, taking medication, or have a medical condition before using this product. This product may cause digestive upset in some sensitive individuals. If you experience any gastrointestinal discomfort after using this product, discontinu
Frequently Asked Questions
What is NOW Foods Extra Strength Resveratrol's Formulate score?
NOW Foods Extra Strength Resveratrol scores 78 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is NOW Foods Extra Strength Resveratrol worth it?
NOW Foods Extra Strength Resveratrol scores 78/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in NOW Foods Extra Strength Resveratrol?
Each serving contains Polygonum cuspidatum extract (700 mg). Serving size: 1 Veg Capsule(s). 60 servings per container.
How do I take extra strength resveratrol?
Suggested usage: Take 1 capsule daily.
Who makes Extra Strength Resveratrol?
Extra Strength Resveratrol is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.
Is NOW Foods Extra Strength Resveratrol third-party tested?
NOW Foods lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.