![Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household](https://m.media-amazon.com/images/S/aplus-media-library-service-media/5604a4d0-a7a5-44ed-83a2-1436879cab3b.__CR0,0,970,300_PT0_SX970_V1___.jpg)
Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household
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Vitamin D estimation– possibly use infrared to estimate vitamin D general range - Sept 2015 | VitaminDWiki
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3 Overview of Vitamin D | Dietary Reference Intakes for Calcium and Vitamin D |The National Academies Press
![Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household](https://m.media-amazon.com/images/I/41C2eVw12PL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFIVE%2CBottomLeft%2C360%2C-6_SR600%2C315_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household
![Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household Amazon.com: Solarmeter Model 6.4 Vitamin D3 UV Meter - Measures 280-400nm with Range from 0-1999 IU/Minute : Health & Household](https://m.media-amazon.com/images/I/613TQEY+SuL._AC_UF350,350_QL80_.jpg)