couldn't see why anyone would wait to eat, at any time in a bulk, the sooner you get food in you, the quicker you can meet your macro needs for the day....so imo asap.
i have been doing back.chest together lately and its not that bad. start with chest and i finish with back. now moving to separate days because weights are getting up enough where I don't have...
a general definition of macros is your target nutrient needs for the day from carbs/fats/proteins. aka macromolecules. and the resulting calories from them. You'll need to eat...
Thats what I am doing now, I drink about a gallon a day of choco and/or reg. Definitely helped me get the calories that I need. Plus milk is ****ing awesome. But if you have a body type that puts...
check your macros, if you need two to help you meet your needs for the day then go for it. i wouldn't suggest going overboard with protein shakes if your looking to put on mass.