Eating well. New vitamin D guidelines
In 2024, Harvard Health Publishing and the Endocrine Society updated their guidelines on vitamin D supplementation, emphasizing tailored recommendations based on age, health status, and specific risk factors. General Recommendations: Adults Under 75: For healthy adults under 75, routine vitamin D supplementation beyond the Recommended Dietary Allowance (RDA) is generally unnecessary. The RDA remains at 600 IU (15 micrograms) daily for adults up to age 70 and 800 IU (20 micrograms) for those over 70. Adults 75 and Older: Supplementation above the RDA may be beneficial due to potential reductions in mortality risk. A daily intake of 1,000 IU is considered acceptable for this age group. Specific Populations: Children and Adolescents (1-18 years): Empiric vitamin D supplementation is suggested to prevent nutritional rickets and potentially lower the risk of respiratory tract infections. Pregnant Individuals: Supplementation may reduce risks such as preeclampsia, intr...