When it comes to exercise or bodybuilding, vitamin supplements should be considered a part of your diet to make up for any deficiencies you may have in your body. Lacking certain vitamins or minerals can causeyou to have impaired performance.
How much protein do you need?
This depends on three important things. You need more protein if you are heavier; second, what you are doing; and third, what you hope to achieve.
If you exercise regularly, for more than an hour a day, you need 1-1.2 grams of protein per kilogram.