One things for sure about muscle building is that no two people seem to be the same.
Some guys look at weights and put on muscle while others toil away for years and put on small amounts of muscle yearly. Still others put on as much fat as muscle.
You must find your way. There are starting points you can go by. The infamous bodytypes; endomorph, ectomorph and mesomorph. But beyond those it's an experiment.
One things for sure the focus has to be diet and training first (not necessarily in that order). The season your program with supplementation.
Do you eat:
Six times per day.
Whey all day and one meal at night.
Intermittent Fast - 8 hour eating window, 6 hour, 4 hour.
Standard three meals per day.
Low Carb, Slow Carb, High Carb, Vegan
Squats and Milk
Do you train:
Ironman 4x Positions of Flexion
Twinmuscle Workout 3-day Split
Escalating Density Training
Standard bodybuilding 3x10 or 3x12
Arthur Jones Full Body
You have to figure it out.
Help is always around.
Twinmuscleworkout (TMW)Youtube Channel
TMW fastingtwins Youtube Channel
Always search for Dr. Jim Stoppani along with a term to get top quality information.
I'm sure you have your favorites.
Let me know what they are.