Japanese Knotweed (Polygonum Cuspidatum) Health Benefits [2018 Update]

In Eastern-Asian countries like Japan, China and Korea, the Polygonum cuspidatum plant, more commonly known as Japanese knotweed, is a widely used medicinal herb. Today, it is also know thrives in North America, Europe and all throughout the world.

Japanese Knotweed can thrive in various conditions, which is why it is can be found in unkempt gardens and roadsides. In fact, it is deemed as an invasive species in Europe. It would, however, make a great addition to any garden because of its herbal and medicinal properties.

In appearance, it is similar to a bamboo as it has hollow stems as well. However, they are not closely related. The shoots, leaves and stems are edible and are source of resveratrol, a well-known ingredient in red wines which is also known for its antioxidant properties.

Japanese Knotweed has different names used in different areas of the world. It has three Latin names: It is called Polygonum cuspidatum in North America, Fallopia japonica in Britain, and lastly, Reynoutria japonica in Europe. It also varies in common names. It is sometimes referred to as fleece flower, Himalayan fleece vine or pea shooters. It is also called as Japanese bamboo, Mexican bamboo, and American bamboo. In Chinese, it is referred to as Huzhang or tiger stick; while in Japanese, it is called itadori.

Japanese Knotweed Health Benefits

The benefits associated with the use of this amazing herb full of Resveratrol are listed below:

  • helps in weight loss
  • prevents heart diseases
  • prevents sudden blood clots
  • acts as an antioxidant
  • is an anti-mutagen
  • prevents cancers and inhibits tumor growth
  • has anti-aging properties
  • has antipyretic activities
  • contains analgesic properties
  • prevents ulcers
  • has antibacterial and antifungal properties
  • has anti-inflammatory properties
  • can be used as a tranquilizing agent
  • enhances immune system
  • treats burns, inflammations, and skin rashes.
  • inhibits cholesterol
  • antiviral
  • is used to make mouth wash.
  • lowers lipids and triglycerides.
  • prevents osteoporosis.
  • treats gout
  • acts as laxative

The benefits from Polygonum cuspidatum mainly comes from a substance called Resveratrol. It prevents bacteria and fungi from growing. It also prevents cancers due to its antioxidant properties and through eliminating the mutation-inducing agents. Resveratrol is also known for being heart-friendly because it reduces LDL (bad cholesterol) levels and prevents blood clots and damage to blood vessels. However, further studies have to be conducted.

Resveratrol also makes Polygonum cuspidatum capable of preventing various diseases by improving the production of cell energy. It is also believed to slow the aging process of the body. Through this, it can prevent metabolic diseases that are most likely to strike as we age, such as diabetes and heart diseases.

And lastly, Polygonum cuspidatum is becoming one of the most popular natural supplements for weight loss. It helps in speeding up the metabolism, which makes our body use the calories from the food we consume more effectively, thus resulting to lesser fat formation. If you want to burn fats faster, use it in line with the necessary exercise and proper diet to get noticeable benefits quickly.


Cancer inhibitor, anti-aging properties and metabolism booster – those are just some of what Polygonum cuspidatum and Resveratrol can offer.


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