Can protein damage your kidneys? Is that actually true?

Protein itself doesn't destroy your kidneys, but there are nuances. If someone already has kidney problems or is genetically predisposed to them, then a large amount of protein can put strain on them. Your kidneys filter protein metabolites, and if there are a lot of them, the organ has to work harder. But healthy kidneys handle this without any issues - they're built to handle that kind of load. In that guy's case, it was most likely either a coincidence or he had an underlying problem.

There can be danger if you're taking protein in huge amounts for years, not drinking water, and ignoring your health overall. Plus, low-quality protein sometimes contains impurities that can actually cause harm. But a normal serving of good protein a day is no more dangerous than eating a lot of meat or cottage cheese.

If you have any health concerns or there's a family history of kidney problems, it makes sense to get tested before you start taking protein. It'll take an hour and give you peace of mind. And overall, there's no need to worry - millions of people drink protein without any consequences.