DougPaul
Well-known member
That source is an advertising site. Not a reliable source of info.
The US daily RDA of protein for adults is .8 gm/kg_body_weight (=.36 gm/lb_body_weight). http://www.iom.edu/Global/News Announcements/~/media/C5CD2DD7840544979A549EC47E56A02B.ashx
I've seen the suggestion that heavy exercisers can use up to ~50% more.
Doug