Vitamin D sufficiency 10 to 30 ng, optimal 40 to 80 ng (no consensus)– May 2018

The table on this page is from Children need vitamin D - good global overview, poor recommendations for Italian children - May 2018

• Vitamin D (40-70 ng) in Children’s Health – review Sept 2014
• Review of vitamin D recommendations around the world – April 2017
• French uncertain as to acceptable vitamin D levels: 11, 20, 30, 46 ng ( 80 percent less than 30 ng) - Oct 2013
• Optimum Vitamin D level: Evidence for 30 and 40 ng – Grant Aug 2013
• Vitamin D recommendations by Italian Endocrinologists – 40 ng if pregnant, 30 ng if high risk – April 2018
• Vitamin D Consensus, Brazil – Many people need 30 – 60 ng – Nov 2017
• Is 50 ng of vitamin D too high, just right, or not enough
• US admits math mistake was made in 2010 in estimating Vitamin D, but will not change recommendations – Nov 2017

Table 2 Definition of vitamin D status according to several Societies and Organizations in the last 10 years