Did You Know?

High Levels of Vitamin D3 Supplementation Okay for Youth

August 2008

Vitamin D3 at doses equivalent to 2,000 International Units (IU) per day for one year is safe in adolescents and helps support healthy vitamin D levels in their bodies, according to a study published in the Journal of Clinical Endocrinology & Metabolism. Vitamin D is an important element of musculoskeletal development among children and adolescents, but a shortage of the vitamin is prevalent in youth worldwide and researchers were unsure of the safety of vitamin D doses greater than 200 IU per day in this age group. Following a one-year study of vitamin D dosage, researchers found: "Vitamin D3 at doses equivalent to 2,000 IU per day for one year is safe in adolescents and results in desirable vitamin D levels."

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