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Standardized Root Extract


A powerful antioxidant, sourced for maximum purity from Japanese knotweed (Polygonum cuspidatum). Research into Resveratrol has shown benefits, including:

• Promoting a healthy aging process*

• Support for cardiovascular and metabolic health*

• Maintaining sharp memory and cognitive function*

• Support for athletic recovery and endurance*

• Heightened antioxidant support throughout the body*

Suggested Use: As a dietary supplement, take two (2) capsules a day or as recommended by your healthcare professional. 

Resveratrol – The Vitality Powerhouse

Resveratrol is a powerful antioxidant. Antioxidants neutralize unstable molecules called free radicals, which come from normal bodily functions as well as exposure to things like air pollution and radiation. Free radicals cause oxidative stress, the source of most common signs of aging.

We often think of Resveratrol as a "red wine extract," but this is a lower-quality form. Trans-Resveratrol is easier for the body to use, making it the superior form. The purest source of trans-Resveratrol is the root system of Japanese knotweed, one of the worst invasive species on Earth. So, we can put these plants to a good use!

The Prominent Difference

Our supplement is standardized to 98% trans-Resveratrol

- This level of purity ensures the highest quality. No byproducts or adulterants (a secret mixture of two substances falsely claimed as just one).

We source our Resveratrol from Japanese knotweed

- Japanese knotweed roots are the best source for trans-Resveratrol. This is the bioactive form of Resveratrol, meaning the body absorbs and uses it more easily.

Our Resveratrol’s potency is tested using High-performance Liquid Chromatography (HPLC)

- HPLC is the best way to test trans-Resveratrol potency, thanks to its accuracy and analysis method.

Why Not Use Red Wine Extract?

We care about giving you the best version of Resveratrol possible. Red wine grapes are a decent source of Resveratrol, but they fall short in potency.

Grape skins in many "red wine extract" products are covered in fungicides that contaminate the Resveratrol. We could probably still find a great, clean red wine extract vendor to work with, though.

The potency cannot be solved: the grapes carry the cis-Resveratrol form. It is less bioactive than the trans-Resveratrol we get from Japanese knotweed. The choice is easy for us—your health comes first.

Frequently Asked Questions

Why do you specifically use a root extract?
There is Resveratrol present in other parts of the Japanese knotweed plant, but the roots are by far the most concentrated source of the more bioactive trans-Resveratrol form.

With all our herbal supplements, we look for the ingredient source with the highest concentration of the desired ingredient as well as the optimal molecular form of that active.
How is your Resveratrol tested?
We have a trusted third-party lab to test for trans-Resveratrol potency using an HPLC method. HPLC is the most accurate and discerning analysis method. Other test methods are cheaper but give a blurred picture of the compounds in the final product.
Why isn’t your Resveratrol organic?
At Prominent Nutrition, we follow the science. Many members of our team eat organic foods and appreciate the growing public interest in choosing to eat better.

Whenever scientific studies show better health outcomes for organic versus non-GMO ingredients, we choose the organic option. If a particular supplement of ours is not certified organic, that means our scientific team has not found sufficient data to support an organic choice. Rest assured that the ingredient source we’ve selected is optimized for your health first and foremost.
How soon does Resveratrol provide effects?
Antioxidants work immediately at a molecular level. It takes time for all those micro-effects to amplify into health benefits you can feel. Some people experience effects from Resveratrol within a week. Most take longer, with the greatest benefits coming after months of consistent use. Our Resveratrol is formulated specifically for safe, long-term use.*  
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* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.