workout 3-4 days a week.
alternate between upper and lower body workouts. if you wanna gain muscle you need a caloric surplus. add weight to the bar whenever you can. stay consistant. lift heavy 4-6 weeks, light 1-2 weeks, and repeat.
5-6 sets for big body parts (2 exercises. exercises 1: 3x5 , exercise 2: 2x8-12
3-4 for smaller
useful supplements (but not necessary); protein powder (can eat reg food..but can be convenient with protein powder), creatine, multivitamins, fish oil. coffee before workouts.