> Creatine mono-hydrate which mostly comes from China and "creapure", which is a patented formula known for its purity.

Creapure sells Creatine Monohydrate not a proprietary form of creatine [1]. The higher end in creatine is Creatine HCL which is more expensive but more water soliable, easier on the stomach, and requires a smaller dose.

In terms of creatine manufactured in the Western World:

* CON-CRĒT manufactures creatine in the US, they produce Creatine HCL.

* Creapure manufactures creatine in Germany. They produce Creatine Monohydrate.

There are also a variety of brands that import creatine and run various tests to ensure quality.

[1] https://www.creapure.com/en/creapure/what-is-creapure/