Are Supplements really necessary or just a way of making money? We live in stressful and worrying times which weaken our bodies and put our health at risk. We know that we should eat healthily and take more exercise, work less and relax more but do we have the time? We all know that if our bodies do not get the right vitamins and minerals we get ill but which ones do we need? What are the signs of a deficiency? What are the best natural sources? How much do I need to maintain health? Do I need a supplement? All these and many more questions are addressed and answered in this concise guide.