Customer Reviews

I easily have bruises on my legs, more particularly when I'm trekking. Therefore I thought that product would help me. I could clearly feel the sensation in my legs and it was really agreeable the first week. But one morning I woke up with huge shocking bruises on my legs and behind my left hip. Finally we discovered that to scratch (insect bite) have been enough to create those. The next days, my capillaries broke all along my legs... When I understood the cause and effect with nattokinase, I stopped the treatment of course. Since then I have been treating my bruises with arnica. Be careful !

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Unfortunately, I have tinnitus. When I first used this product it seemed to get much worse. I stopped it for a couple weeks, and then went back on again. Same result; tinnitus worsened, big-time. I tried for a third time of staying off for awhile, til the tinnitus lessened. I took only the minimum doze for 3-5 days and the tinnitus, once again became almost unbearable. It is clear from testing this three times that it was not a coincidence, I'm sorry to say. As for other Doctor's Best products, they are excellent as is iHerb's value and service! I have used iHerb for 8 years now.

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you cannot feel this product working, i hope it does-sort of a leap of faith

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I've only used the product for one week!! How can I rate it!! Come back to me in a month and maybe I'll be able to give an intelligent answer!

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Used this twice, and both times got a terrible headache. Will not use again.

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