Eating most of your food from natural sources is what the body is designed to process and will also optimise your health in the workplace and in your personal life
This is a form of eating like a caveman in the modern age where it is recommended that all food is to come close to as possible from natural sources as our ancestors did before organised living and processed foods came into existence.
Protein and fats are to come from animals and oils. Carbohydrates, vitamins and minerals are to come from kumara, yams, and fruit and vegetables. Drinking water is the favoured liquid to drink.
You need to perform like a thoroughbred in the workplace, it makes sense to put high quality food your body maximise workplace performance.
An analogy to above is like putting premium fuel in your high performance car. The car will perform well and be less susceptible to breaking down.
I am not a big fan of nutritional supplements, but they do have their place. Before you consider taking nutritional supplements, ensure you have a good eating plan and training regime put in place and you are getting enough rest.
The time to consider taking nutritional supplements is when you find it difficult to eat and digest large amounts of food, you are stuck for time and you need that extra edge that will improve your performance and recovery.
Remember that supplements are food in powder, liquid and capsule form. They are not some magical drug that will dramatically improve your performance.
You should see supplements as something that is an add on to a good training and eating program, they are not a substitute for the eating program itself.