The rise of the protein drinks for ordinary people

[Dallas]

Well I do know that many Tour de France, Giro etc riders use protein shakes at the end of each day to aid recovery.

Yep
its the fastest and most convenient way of replacing minerals and proteins that facilitate recovery - even more important on multi-day events.

Using these in the heat though can affect some folks bellies there are 2 ways out - i have suffered both - nice