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iHerb Customer Reviews



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Warm hands for the first time in my life!

Posted by Reviewer1854340 on Apr 12, 2013

I started taking Nattokinase because I have suffered from cold hands and cold feet for my entire life (I'm 45 now). This has been worsening with age, to the point where I was getting seriously worried about being cold and fragile in my old age. I've tried other stuff like ginger and cayenne, but they had implications for my digestive system that weren't always good. Nattokinase was gentler on my digestion yet it was also more effective. The first time I tried this product, I took it before bed. The next day I had warm hands that lasted all day and all evening, even though it was during winter. I found that I was sleeping with my arms out of the covers, because I was warmer than usual. Typing on the keyboard is easier, because my fingers are no longer cold. I have found that one capsule per day is quite sufficient for me. It also seems to help me sleep more soundly, which was most unexpected. I don't have any other circulatory problems that I know of, but the difference this nattokinase has made in restoring proper circulation to my hands and feet is impressive.

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An important weapon against biofilms..

Posted by philla on Jan 01, 2014

Biofilms are emerging as something that have to be adressed in stubborn lyme infections. Heavy metals, acidosis and other perils of modern civilization are said to be exacerbating this tiny tick borne infection. The Washington state based eminent doctor Klinghardt uses enzymes (serrapeptase, nattokinase, etc) as therapeutic means to break down these slimy bacterial colonies. Maybe also a goot shot for persistent candidiasis.. I bought this with the mere intention to ameliorate my recurring digestive issues. I was very happy with the effect it had on my tummy.

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Great for Sinus Headaches

Posted by Reviewer1677159 on Aug 11, 2012

It is a great product if you get headaches caused from inflammation in your sinuses.

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Looks Good so Far

Posted by Reviewer2556799 on Jun 08, 2011

Started using this for high blood pressure after trying a number of other natural products that I had read were good but didn't work for me. This product seems to be helping, I have only been using it for about 3 weeks and have seen a marked drop in my readings. I am still working on the correct dosage but it does look promising. Right now I'm trying 2 caps twice a day I think I may add 2 more and see how that does.

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Helps Lower Blood Pressure!

Posted by Reviewer2091347 on Nov 13, 2010

Bought this for my 77 year old Mother who suffers from high cholesterol and high blood pressure. She desperately wants to get off her meds so I recommended that she try this (along with policosanol). After a little over a week her blood pressure dropped from 138 (a.m.) to between 118-124. It's a definite step in the right direction!! Oh, by the way, don't know if it's from this or not, but, she also lost 5 lbs (down to 119 and she's always been mid to upper 120's).

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Awesome In So Many Ways

Posted by Reviewer1547705 on May 01, 2010

I bought this product for my husband's left foot... he had very virtually no feeling in it and it was always cold to the touch. I had read so many reviews stating it was good for circulation but I had my doubts if it could help his foot since it had been that way for about 4 years. Well, within 24 hours he started to get feeling back in his foot and within 48 hours he said it felt like it had felt 10 years ago and it was nice and warm to the touch. His feet were always cold... even in the summer. He had thought he was doomed to spend the rest of his life stumbing around because he couldn't feel his foot on the ground. No more stumbing becuase he can't feel his foot! He has been bouncing all over the place and says he feels like he got his life back. He is 71 and this is truly amazing. His hands are also much warmer and he says he just feels good all over. He takes one in the morning shortly after arising and one before dinner around 4:30 or 5 PM. We ordered several more bottles so he won't run out. We are so thankful!

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Dr's Best Nattokinase is great

Posted by Reviewer2296312 on May 30, 2006

I love nattokinase. Dr.'s Best is a great brand and I always get excellent quality from them, I reorder again and again. I have had poor circulation all of my life and this is the only solution I have found.

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Very satisfied from Doctor's Best Nattokinase

Posted by TinVal on Aug 16, 2012

Nattokinase cleaves fibrin (the protein that helps our body form the ‘mesh’ of a clot from a wound or trauma). It is like our natural plant kingdom source of plasmin, and is the most potent fibrinolytic enzyme of nearly 200 foods studied for their clot-dissolving abilities.

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Blood Thinning

Posted by Reviewer1572141 on Aug 03, 2008

It seemed apparently to work in the early stages - I had to stop as I started to bleed which was very worrying. Stopped bleeding once stopped taking this product. I have no disorder to be affected like this.

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Good for inflammation

Posted by gettingwell on Jun 25, 2013

I use this to help with inflammation caused by mold exposure; it also helps keep you from getting blood clots. I got this based on a lot of the other reviews. Doctor's Best makes quality products and iherb gets them to me in 2 to 3 days!

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