Stretch stretch stretch and stretch some more. DOMS is a bitch. I have found some excellent stretching videos On Demand on my cable provider.
I’ll eat a banana (not my favorite, but if it’s all we have) or two fig Newtons or a spoonful of peanut butter before a rigorous workout. My first boot camp I made the mistake of drinking a protein shake before…won’t be doing that again. Fast natural sugar and carbs before, protein after.