Under the influence of sunlight in the living body produces vitamin D. This substance a person needs to strengthen bones and maintain immunity, writes Live Science. Winter is the period of deficiency of this vitamin. The latter finding can increase the concentration of vitamin D in the body using a special mushrooms that have passed through the processing of UV-radiation.
After this procedure, the concentration of the vitamin in the product increases two times, according to Michael Kalaras University (Penn state). Light with a specific wavelength starts the transformation of substances, like cholesterol into vitamin.
The shelf life of these beneficial fungi is one week. During this period of time the content of the vitamin in them is at a maximum level. One serving contains about 15 micrograms of the substance. This amount is fully saturate the body with vitamin.