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What it does
The label contains a blend whose composition is not fully confirmed.
Red Grape (fruit) and Wild Blueberry (fruit) blend
Mixed formsGrade —
Label lists Red Grape (fruit) and Wild Blueberry (fruit) blend (85 mg). Benefit information is limited.
Pterostilbene
Form not confirmedGrade —
Label lists Trans-Pterostilbene. Benefit information is limited.
Ingredients (5)
Trans-Pterostilbene
Amount not found
Red Grape (fruit) and Wild Blueberry (fruit) blend
85 mgDoses not disclosed by manufacturer
Other ingredients
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Lab testing
How to take it
With a meal containing fat
On the label
Take one (1) capsule daily with or without food, or as recommended by a healthcare practitioner.
Price check
No price yet
What 58 resveratrol supplements cost
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.
Not medical advice. Consult your healthcare professional.