What is Polygonum cuspidatum extract Resveratrol?

Polygonum cuspidatum extract Resveratrol (Japanese knotweed extract) is an extract of the roots of Polygonum cuspidatum. It is a type of natural phenol, and a phytoalexin produced naturally by several plants in response to injury or when the plant is under attack by pathogens such as bacteria or fungi. Food sources of resveratrol include the skin of grapes, blueberries, raspberries, mulberries, and senna. It has amazing anti-aging properties, and has others benefits such as cardiovascular effects, anti-cancer, estrogen regulating effects are mentioned here.

Polygonum cuspidatum extract Resveratrol benefits


The study by Harvard Medical School researchers shows that resveratrol stimulates production of SIRT1, a serum that blocks diseases by speeding up the cell’s energy production centers known as mitochondria. It affects the activity of enzymes called sirtuins. Sirtuins control several biological pathways and are known to be involved in the aging process. Resveratrol is only one of many natural and synthetic sirtuin-activating compounds now known. Researchers found that resveratrol can extend the lifespans of yeast, worms, flies and fish.


It is famous for its Cardioprotective effects. It could afford cardioprotection by affecting the expression of nitric oxide synthase.


It can help you beat cancer – from brain tumours to breast, colon, prostate cancers and many more. It induced human promyelocytic leukemia cell differentiation, inhibited enzymes that promote tumor growth, and exerted antitumor effects in neuroblastomas.

Weight Loss

Polygonum cuspidatum extract Resveratrol helps you to lose weight is through reducing the amounts of estrogen that your body produces. Estrogen increases body fat and decreases muscle mass, so reducing the amounts of estrogen produced by your body will help you lose weight and build muscle.

Helps Protect the Brain and Cognitive/Mental Health

It is particularly unique as its antioxidants can cross the blood-brain barrier to protect the brain and the nervous system, unlike other antioxidants. Recent studies show that resveratrol noticeably increased blood flow to the brain, suggesting a considerable benefit to healthy brain function and neuroprotective effects. This means consuming more can increase protection against cognitive/mental problems, including Alzheimer’s, dementia and others.


Resveratrol (HPLC)98%50%
Emodin (HPLC)0.1%2%
AppearanceWhite PowderBrown Fine Powder
Particle Size100% Pass 80 Mesh
Heavy Metals≤10ppm
Total Plate Count≤1000cfu/g
Yeast and Mold≤100cfu/g

Shelf Life

2 Years


Store in tightly sealed containers, then place in a cool and dry place and away from moisture, light, oxygen.


  • Packed in paper drums and two plastic bags inside. N.W:25kgs .I.D.35×H51cm.
  • 1Kg/Bag, aluminum foil bag vacuum packing.
  • Sample, double sealed water plastic bags inside with the aluminum bag outside.

Where to buy Polygonum cuspidatum extract Resveratrol (Japanese knotweed extract)?

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