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iHerb Customer Reviews



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  • Gelatin Capsule is derived from porcine.

  • Reviews | English
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    Posted by Reviewer2140768 on Apr 23, 2008

    Good product; after a couple weeks use it seems to enhance circulation and energy levels.

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    Good moderate dosage nattokinase product

    Posted by 4736829291301494989 on Dec 03, 2014

    I prefer this over Enzymedica's "Natto-K" product because the straight NSK-SD doesn't have anything else in it, and dosage is moderate. Supposed to help with lowering fibrinogen levels. (Try earthing/grounding for this too.) Recommend.

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    Instead of Natto

    Posted by Reviewer1316551 on Nov 27, 2011

    As I don't plan to include the natto made from fermanted soybeans in my diet and natto is reported to help to prevent and improve cardiovasuclar function,I take these instead. I like the small easy to take softgels.

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    Posted by Reviewer2989241 on Jun 08, 2012


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    leg pain

    Posted by Reviewer1192669 on Oct 24, 2011

    poor circulation in my leg has been inproved and the pain has been eliminated after uising the product for a couple of monthe

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    Posted by Reviewer1062827 on Jan 17, 2008

    Great service, as usual!

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    Source Naturals, Nattokinase NSK-SD

    Posted by Reviewer2179067 on Mar 12, 2008

    I've been buying this for my husband for years. I just started taking it myself.

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