With all of the sources for resveratrol out there (peanuts, grapes, mulberries, etc) I was curious as to why most supplements were made using Polygonum Cuspidatum, other wise known as, "the Japanese Knotweed."
When referring to resveratrol in the news it is almost always associated with red wine. Why red wine? Because red wine is made from grapes, another popular source of resveratrol. Many people search for "Red Wine Pills" only to find a supplement made from a weed! That just doesn't sound right, or does it?
Well, to answer that question we need to do a little research on Japanese Knotweed and find out exactly what the Resveratrol inside it does.
Japanese Knotweed has the following characteristics:
An "invasive species," AKA a weed. Listed in the Top 100 Worst Weeds category!
- A perennial plant, one that lives for greater than 2 years.
- Can be grown in most climates and is found in 39 of the 50 US States. Also found in great quantities in Japan, China, Korea, Canada, and the UK.
- It is very difficult to kill or eradicate from an area.
- It can survive extreme temperatures both hot and cold. (as low as -30 degrees Fahrenheit)
- It's roots can grow up to nearly 10 feet deep!
(Source: Wikipedia, Japanese Knotweed)
I definitely see a pattern going on here. Knotweed is one tough plant! It's hard to kill, grows rapidly, and grows just about any where.
Continue reading "Why are Resveratrol Supplements Made From Japanese Knotweed and Not Grapes?" »






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