The literature also shows 1000 IU of Vitamin D per day synthesizes approximately 10 ng/mL. Scientific literature indicates exposing 10% of the body to ultraviolet B can generate 1000-2000 IUs of Vitamin D per day. Outdoors in sunlight geography, time of day and time of year, also contribute to the variations. Contributing factors include the location and amount of skin exposed, dietary habits, percent of body fat and more. It is impossible to say exactly how much Vitamin D because an individual's ability for Vitamin D production in the skin by exposure to natural or artificial ultraviolet energy varies greatly. The Ultraviolet spectrum of the D/UV-F lamp has been measured and compared with the Vitamin D action spectrum yielding a Vitamin D effective irradiance which confirms that the Vitamin D production process will result from exposure to the D/UV-F. Vitamin D sun lamps are not intended as substitutes for a balanced diet rich in vitamin D. 110-220 volt operation (no converter is required). ![]()
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