Everything you need should be in your dialed-in diet.
But it can be hard maintaining that dialed-in diet with work/social activities.
Eat as much veggies as much possible would cover the nutriment part so multivits are out of the equation.
Some times protein is hard to get so people opt for a kind of protein powder.
Also with all the polution and also because of availability people will take Fish oil to get more Omega 3 in their diet.
Your diet is the crucial piece of the puzzle though, get that dialed in.
Make a search on the subject as it has been talked about not long ago and plenty of time
Just my 2c , in supplements it's all about personal choice/preference