NOW Natural Resveratrol Liquid Concentrate supplement bottle
NOW

Natural Resveratrol Liquid Concentrate

What We Researched
4 active ingredients analyzed · 7 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
62
Product Score Fair
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 4 g 1%
Polygonum cuspidatum extract 300 mg †
Super Fruit Blend 300 mg †
Bioavailability Fair

Absorption Rating

  • Total Carbohydrates Fair
  • Polygonum cuspidatum extract Fair
Other Ingredients Excellent

Fillers & Additives

  • De-ionized Water
  • Vegetable Glycerin
  • Xylitol
  • natural Fruit flavors
  • Citric Acid
  • Apple Pectin
  • Potassium Sorbate
Efficacy Very Poor

Dosage Analysis

  • Polygonum cuspidatum extract 300 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 10 kcal
Total Carbohydrates 4 g 1%
Polygonum cuspidatum extract 300 mg †
Super Fruit Blend 300 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

De-ionized Water Safe

It is used as a solvent to dissolve and mix ingredients.

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

natural Fruit flavors Unknown
Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Apple Pectin Safe

It is used as a thickening agent or gelling agent.

Potassium Sorbate Safe

Prevents mold and yeast growth to extend shelf life.

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
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
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Frequently Asked Questions
Is NOW Natural Resveratrol Liquid Concentrate a good supplement?

NOW Natural Resveratrol Liquid Concentrate received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients with 32 servings per container. Of the 7 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Natural Resveratrol Liquid Concentrate?

NOW Natural Resveratrol Liquid Concentrate contains 4 active ingredients: Calories (10 kcal), Total Carbohydrates (4 g), Polygonum cuspidatum extract (300 mg), Super Fruit Blend (300 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Natural Resveratrol Liquid Concentrate safe to take?

NOW Natural Resveratrol Liquid Concentrate 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 NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. 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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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.