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1000 IU Daily Vitamin D3 Most Effective Dose In Children, Study Finds


A new randomized controlled trial has concluded that 1000 IU of vitamin D3 daily (Monday – Friday) is most efficient in reducing deficiencies in children aged 12 to 30 months old.


These latest trial results follow those of a separate study recently published in JAMA Network Open, which found that a 1200 IU daily dose of vitamin D3 given to infants up until the age of 2 years old may reduce the risk of psychiatric symptoms occurring between the ages of 6 to 8 years old. Noting that vitamin D plays a role in neurodevelopment, the study researchers also described how lower levels of vitamin D in childhood are associated with autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD).

The JAMA Network Open study adds to the growing body of scientific evidence showing that nutrition plays a crucial role in the regulation of mood and behavior. Previous research conducted in the United States has shown that schoolchildren given a daily supplement containing 50 percent of the recommended dietary allowances (RDAs) for vitamins and minerals over a period of 4 months had lower rates of threats and fighting, vandalism, being disrespectful, disorderly conduct, defiance, obscenities, refusal to work or serve, endangering others, and other offences.

To learn more about scientific research documenting the health benefits of supplementary micronutrients in children, see this article on our website.