Unfortunately most of the research cited there was in "resistance-trained" individuals (and one in nurses, who are far from sedentary). The meta analysis also included at least some research on active individuals. And the author is a bodybuilder and fitness coach.

The one study of overweight individuals mentioned found no adverse side effects but only lasted six months, which may not be long enough for clinical effects to become obvious.

Also, the author overlooked gout entirely.

Based on all that, I'm not convinced it is safe for sedentary individuals.

I think the author should have written:

> As long as you are highly active and have don’t have pre-existing kidney issues...

What convinces you that it’s unsafe?

I'm not convinced that it's unsafe either, but I'd like to see stronger evidence than a blog post citing selected research.