No dietary supplement can provide that, but with the assiduous use of vitamins and minerals, we can often achieve optimum health for our age group and certainly ease the symptoms of diseases we may suffer from.
Dietary supplements can be divided into two main types; nutritional, (vitamins and minerals and amino acids) and botanical (herbal types).
But is it really necessary for someone who is young and healthy to take dietary supplements? You may consider that your diet is healthy enough, but vegetables and dairy food can only be as good as the soil in which they are grown and many farmers will agree that their soil is worn out. Why else do they have to add chemical fertilizers at ever increasing rates? If the soil were farmed organically, instead of with an eye to profit all the time, it would be in much better health and so would we.
Another point to consider is the freshness (or otherwise) of the products we buy. Most vegetables are at least a week old by the time they get to our homes. Although many are kept in cool storage, this length of time causes the nutritional value to greatly decrease. Fruit is often picked before ripe and put into cold...