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Resveratrol 100 mg

Swanson
4.6
★ ★ ★ ★ ★
(1129 ratings)
Resveratrol 100 mg
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Score74

<p>A simple modest-dose capsule is easy to use, but nearly every resveratrol quality detail is absent.</p>

How scoring works
Quantity:30 Capsule(s) • (30 servings)
Goals:
Metabolism Boost
Skin Health

Score 74

<p>A simple modest-dose capsule is easy to use, but nearly every resveratrol quality detail is absent.</p>

How scoring works
$11.09($0.36 per serving)
iHerb
$ 11.09
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Analysis

Each capsule lists 100 mg resveratrol from Japanese knotweed root extract. The amount is modest and the formula contains no supporting actives.

The label does not confirm trans-resveratrol content or knotweed purity. No absorption enhancer or emodin-removal statement is provided.

Thirty single-capsule servings offer a short, simple trial. It fits budget-focused users who accept basic labeling, not those seeking well-characterized resveratrol.

Who is it for
  • Adults seeking a basic 100 mg capsule
  • Users testing resveratrol short term
  • People comfortable with limited form disclosure
Best for
  • Short trial use
  • Basic antioxidant supplementation
  • Users who do not need enhanced delivery

Pros

  • Single active ingredient
  • One-capsule serving
  • Clear source plant
  • Modest amount may be easier to tolerate

Cons

  • Trans-isomer content is missing
  • Purity is not stated
  • No enhanced absorption
  • Only 30 servings

Warnings

  • Resveratrol may increase bleeding with anticoagulant or antiplatelet medicines
  • Japanese knotweed may cause laxative effects when emodin removal is not verified
  • Users with sensitive digestion should assess tolerance

Nutrient quality

70 High impact

The focused single-active design is easy to understand and conservatively dosed. Missing active-isomer and purity details prevent a reliable quality assessment.

Ingredient transparency

79 High impact

Active quantities are stated and no hidden blend obscures the formula. Missing form details, full directions, and non-active ingredients reduce label completeness.

Customer satisfaction

71 High impact

The supplied average rating is strong and the rating volume is substantial. No specific experience details were provided to judge repeated complaints or purpose alignment.

Value for money

77 High impact

The formula provides fair value for its cost. It remains moderately competitive but does not clearly lead the category.

Report analysis

Goals

Metabolism Boost
Impact
Moderate effect
D Goal FitD- Strength of SupportF CoverageA Formula Quality

Resveratrol has plausible links to insulin sensitivity and cellular stress signaling, but human metabolic results are inconsistent. A nominal 100 mg amount may provide supportive exposure without offering direct thermogenesis.

The label does not state trans-resveratrol yield, purity, or emodin removal from the knotweed extract. Those omissions make the effective active dose uncertain despite a simple, focused formula.

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Skin Health
Impact
Moderate effect
F Goal FitC- Strength of SupportF CoverageB- Formula Quality

Resveratrol offers a narrow antioxidant pathway with only indirect relevance to visible skin outcomes. Human oral resveratrol evidence for hydration, wrinkles, or barrier function remains limited compared with established skin actives.

The single antioxidant does not provide collagen building blocks, barrier lipids, or direct hydration support. The one-ingredient design is internally coherent and easy to assess.

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Ingredients

IngredientAmount per serving
Resveratrol (Polygonum cuspidatum root extract)
 100 mg
Adults 18–50
Report overview
Resveratrol (Polygonum cuspidatum root extract) · 100 mg OverallScore35
F Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyF Value

The nominal resveratrol amount falls in the supportive range at a favorable serving cost. Trans-isomer content, purity, active yield, and emodin removal are not disclosed. Standard capsule delivery leaves value dependent on an active amount the label does not confirm.

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