14 Aug 2018 --- Nestlé’s flagship adult nutrition high protein drink, Boost, now packs an even bigger protein punch. The company has increased the protein content of Boost in the US from 15g per serving to 20g – a protein increase of 33 percent – in a bid to appeal to the 51 years and older demographic. The use of protein as a source of strength and recovery aid is no longer limited to marathon runners. This is clear as nutritional demands from the senior demographic spurs higher protein NPD.