Where Whey protein, creatine and glutamine come from?

I was checking the web for these products, all they say, is 100% whey or glutamine. I wanted to know where they get these substances from – the source

The reason behinde was I’m a partial vegeterian, I DO use fish, milk and deiry products though but nothing else. Can anybody tell me if these are safe substances to use?

Thanks for your huge help.

By: Knowledge Seeker

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