Daily recommended vitamin D dosages or vitamin D levels vary depending on the age of the individual and whether a woman is pregnant or breastfeeding. Generally, the range of required vitamin D as cholecalciferol on a daily basis is from 200 IU to 800 IU where IU stands for International Units. Ten micrograms of vitamin D is equivalent to 400 International Units. Different recommendations do exist for the various age groups but the information below should give a general idea about the daily amounts that are required on a daily basis. Speak with your doctor to get more specific information on dosages for vitamin D in the part of the world you reside in.
Less than 12 Months of Age
The vitamin D level for children that are less than 12 months of age ranges from 200 to 400 IUs or 4 to 10 micrograms.
One to 13 Years Old
The vitamin D requirement for children in this age group is from 200 to 600 IUs on average per day. This is equivalent to 5 to 15 micrograms.
Teenagers – 14 to 18 Years of Age
The average daily recommended vitamin D level for teenagers is also 200 to 600 IUs.
Adults Up To 70 Years Old
The average daily recommended vitamin D amount ranges from 5 to 15 micrograms.
Pregnant and Breastfeeding Women
The daily requirement for pregnant and breastfeeding women and teens is 600 IUs.
Adults Over 70 Years Old
For elderly individuals in this age group the vitamin D amount is elevated and should be in the 600 to 800 IUs range.
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