Lack of Sunlight
Invalids, shiftworkers and people whose exposure to sunlight is minimal can suffer from insufficient amounts of vitamin D, which is required for calcium metabolism, without which rickets and osteoporosis has been observed.
Bio-Individuality
Wide fluctuations in individual nutrient requirements from the official average vitamin and mineral intakes are common, particularly for those in high physical demand vocations, such as athletics and manual labour, taking into account body weight and physical type.
Air Pollution
Air pollution exposes the human body to substances capable of endangering health and depletion of vitamin reserves. These substances include carbon monoxide, aldehydes, hydrocarbons, nitrogen oxides, sulphur dioxides and positive ions (also found in air conditioned rooms). Vitamin A helps to protect the body from air pollutions toxic effects. Vitamin E protects against the toxic effects and oxidation reactions caused of many of the chemicals found in Air Pollution and Vitamin C may help facilitate the detoxification of the constituents of Air Pollution.
For consumers looking to live healthier and nutritionally enriched lives, Mannatech Inc. offer hope. Based in
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