Now look up the amino acid profile of protein in white bread, though.

> According to current guidelines, that man needs about 0.8g/kg of protein per day

O.8g/kg was set as the target to avoid protein deficiency, not as any measure of optimal. Current guidelines are 50-100% higher. Optimal for muscle growth is higher still according to many studies.

If you are trying to hit the bro-science 1g/lb of body weight, that’s a lot of protein and most will likely have trouble hitting it without supplements (or eating mass amounts of meat).

Of course most people proteinmaxxing are not actually growing any muscle but eating protein fortified Doritos makes them feel like they are doing something healthy.