Alex Wang

Not to mention that of all of the hunter gatherer tribes ever studied, there has never been a single vegetarian group discovered. Not. A. Single. One. 

Of the ~200 studied, ~75% of them got over 50% of their calories from animals. Only 15% of them got over 50% of their calories from non-animal sources. 

The selective pressure of food scarcity is far different from the current selective pressure

practically impossible to get enough calcium from real food from vegan sources (you’re stuck taking medicine for it in the form of supplements or eating artificially fortified sources, like soy milk). 

I don't see why this disqualifies it? A calcium supplement is extremely chemically simple