Vitamin D from the Sun Versus the Diet

An overview of different forms of “the sunshine vitamin”

Credits: "Hannah Morgan on​"

Anna Pleet

Vitamin DSupplementsSun ProtectionWesternNaturopathy

* This Website is for general skin beauty, wellness, and health information only. This Website is not to be used as a substitute for medical advice, diagnosis or treatment of any health condition or problem. The information provided on this Website should never be used to disregard, delay, or refuse treatment or advice from a physician or a qualified health provider.

See additional information.

Discover categories


  1. Reichrath J, Saternus R, Vogt T. Challenge and perspective: the relevance of ultraviolet (UV) radiation and the vitamin D endocrine system (VDES) for psoriasis and other inflammatory skin diseases. Photochem Photobiol Sci.2017;10.1039/c6pp00280cPMID: 28054069.
  2. Vitamin D: Two-Volume Set. 3 ed: Academic Press, 2011.
  3. Holick MF. Photosynthesis of vitamin D in the skin: effect of environmental and life-style variables. Fed Proc.1987;46(5):1876-1882; PMID: 3030826.
  4. Hakim OA, Hart K, McCabe P, et al. Vitamin D production in UK Caucasian and South Asian women following UVR exposure. J Steroid Biochem Mol Biol.2016;164:223-229; PMID: 27016471.
  5. Stalgis-Bilinski KL, Boyages J, Salisbury EL, et al. Burning daylight: balancing vitamin D requirements with sensible sun exposure. Med J Aust.2011;194(7):345-348; PMID: 21470084.
  6. Sudhanshu S, Upadhyay P, Sahu M, et al. Sun exposure, UV irradiance and serum 25-hydroxycholecalciferol in pregnant women in rural north India. Public Health Nutr.2016;10.1017/S136898001600313X:1-5; PMID: 27989262.
  7. Datta P, Philipsen PA, Olsen P, et al. Major inter-personal variation in the increase and maximal level of 25-hydroxy vitamin D induced by UVB. Photochem Photobiol Sci.2016;15(4):536-545; PMID: 27001558.
  8. Diehl JW, Chiu MW. Effects of ambient sunlight and photoprotection on vitamin D status. Dermatol Ther.2010;23(1):48-60; PMID: 20136908.
  9. Uitterlinden AG, Fang Y, van Meurs JB, et al. Vitamin D receptor gene polymorphisms in relation to Vitamin D related disease states. J Steroid Biochem Mol Biol.2004;89-90(1-5):187-193; PMID: 15225770.
  10. Mackawy AM, Badawi ME. Association of vitamin D and vitamin D receptor gene polymorphisms with chronic inflammation, insulin resistance and metabolic syndrome components in type 2 diabetic Egyptian patients. Meta Gene.2014;2:540-556; PMID: 25606437.
  11. Morrison MA, Silveira AC, Huynh N, et al. Systems biology-based analysis implicates a novel role for vitamin D metabolism in the pathogenesis of age-related macular degeneration. Hum Genomics.2011;5(6):538-568; PMID: 22155603.
  12. Peppelenbosch MP, Fuhler GM, Verhaar AP, et al. Action and function of vitamin D in digestive tract physiology and pathology. Curr Med Chem.2016PMID: 28031008.
  13. Bjelakovic G, Gluud LL, Nikolova D, et al. Vitamin D supplementation for prevention of cancer in adults. Cochrane Database Syst Rev.2014;10.1002/14651858.CD007469.pub2(6):CD007469; PMID: 24953955.
  14. Sharma K, Goehe RW, Di X, et al. A novel cytostatic form of autophagy in sensitization of non-small cell lung cancer cells to radiation by vitamin D and the vitamin D analog, EB 1089. Autophagy.2014;10(12):2346-2361; PMID: 25629933.
  15. Reimers LL, Crew KD, Bradshaw PT, et al. Vitamin D-related gene polymorphisms, plasma 25-hydroxyvitamin D, and breast cancer risk. Cancer Causes Control.2015;26(2):187-203; PMID: 25421379.
  16. Jarrett P, Scragg R. A short history of phototherapy, vitamin D and skin disease. Photochem Photobiol Sci.2016;10.1039/c6pp00406gPMID: 27892584.
  17. Campione E, Botta A, Di Prete M, et al. Cutaneous features of myotonic dystrophy types 1 and 2: Implication of premature aging and vitamin D homeostasis. Neuromuscul Disord.2016;10.1016/j.nmd.2016.11.004PMID: 28065683.
  18. Deschasaux M, Souberbielle JC, Partula V, et al. What Do People Know and Believe about Vitamin D? Nutrients.2016;8(11)PMID: 27845705.