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  • lipids
  • Vitamin D is responsible for regulating the expression of many genes (at the level of transcription or by membrane receptors) that are mainly associated with the homeostasis of calcium and phosphate, carbohydrates, and lipids, as well as with the immune response or anticancer activity . (termedia.pl)
  • bioavailable
  • More research is needed to "fully appreciate what bioavailable versus total vitamin D status means -- for 25-hydroxyvitamin D as well as 1,25-dihydroxyvitamin D," said Holick. (medpagetoday.com)
  • total vitamin
  • It should be noted that free vitamin D, although it constitutes only a small percentage (0.1-2%) of the total vitamin in all forms in the human body, is characterized by high biological activity (in accordance with the "free hormone hypothesis", only unbound molecules can freely migrate through cell membranes and cause particular metabolic effects) . (termedia.pl)
  • Human
  • Recently, attention has been paid to the presence in the human body of various forms of vitamin D and their participation in the etiology of civilization-related diseases. (termedia.pl)
  • Several forms of vitamin D can be distinguished in the human body. (termedia.pl)
  • Participants
  • On the basis of the current guidelines (suggesting a threshold for sufficiency of 20 or 30 ng per milliliter), 77% to 96% of our black participants would be classified as vitamin D deficient," wrote the authors. (medpagetoday.com)
  • The authors did not have data on participants' use of vitamin D supplements. (medpagetoday.com)