Stress, environmental toxins, nutrient deficient soil, packaged, processed, GMO foods that are not picked ripe and lose nutrients in shipping, storage, and cooking can all lead to sub optimal levels of vital nutrients. We age because of oxidation, inflammation and glycation (excess sugar binding to protein).
You need protection from these metabolic processes as well as supplementation to have maximal energy, strength, clarity and detoxification. A good multivitamin and mineral formula is essential.
Nutritional deficiencies are common: