Most vitamin D products on the market contain hidden preservatives. Thorne's D-5000 contains pure vitamin D, with not preservatives. Recent research suggests many individuals may be vitamin D deficient, especially those who do not get enough sun exposure, including people in northern latitudes. Many deficient individuals may need 5,000 I.U. daily to replenish tissue stores. Thorne now offers two high-potency vitamin D products to meet the individual needs of your patients.
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