Home > Exercise/Rehabilitation > Should You Drink a Protein Shake After Training? Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on May 13, 2010 by Ask VideoMD, Views: 22818 Ask VideoMD.com: A question from HealthEagle.com- My 15 year old son wants to drink protein shakes after he works out, is this a good idea:.