Replied by Renee from MO on 07/26/2024
I got mine on Amazon 'NSK-SD' 100mg which equals 2,000FU. It's pure nattokinase. Hope this helps.
Replied by Pat from Maryland on 06/24/2025
There is a YouTube: Nattokinase We tested them all. They didn't do all but many. I highly advise. Some of them are bogus.
Replied by Cgk from Somewhere on 06/26/2025
The number #1 rated Nattokinase is NATTOVENA PURE NATTOKINASE 4000FU 90 capsules. There is a YouTube study on it. It was proven and tested. It’s my go to after using Doctors Best. It can be purchased on iherb.com