Not a chemical compound, I use a genuine reed warbler shark with a Kesennuma Port unloading product. (article derived from nature)
Ships within 3 business days! （ 1,620 Yen 60 grain bulking services ） 700 grain super shark x 3 book set country ヨシキリサメ cartilage! SUPER SHARK
This product (SUPER SHARK), low temperature grinding, also top brand excellent manufacturing technology of powder easily absorbed (stock) Sachin company manufactures in Japan.
Sharks have become the raw material and use only Miyagi Prefectural Kesennuma landings of blue shark.
JNA code: 4982198101058
* Reed Warbler shark ：prionace glauca （ Blue Shark ）