Fat soluble vitamin D is found naturally in some foods and added to others. It can be synthesized in the body after exposure to ultraviolet radiation from the sun. The Mayo Clinic asserts that “as little as 10 minutes of exposure is thought to be enough to prevent deficiencies.”
The main function of vitamin D is to contribute to normal ranges of phosphorus and calcium in the blood. It also works with hormones, minerals, and other vitamins to promote bone mineralization.
Foods that contain vitamin D
The world of conventional medicine is finally waking up to what patients have long been asking. In the last four years, there has been a shift towards a more open-minded attitude prescribing "combination therapy" for better thyroid care.
According to the most recent NHANES surveys, urinary iodine levels have dropped in the U.S. by half since the 1970s, and nearly 10% of the population has some degree of iodine deficiency.