The recent Medscape Medical News report of a vitamin D clinical practice guideline released by the Endocrine Society in June triggered an outpouring of objections in the comments section from doctors and other readers.

A society press release listed the key new recommendations on the use of vitamin D supplementation and screening to reduce disease risks in individuals without established indications for such treatment or testing:

• For healthy adults younger than 75, no supplementation at doses above the recommended dietary intakes;
• Populations that may benefit from higher doses include: Children and adolescents 18 and younger to prevent rickets and to reduce risk for respiratory infection; individuals 75 and older to possibly lower mortality risk; "pregnant people" to potentially reduce various risks; people with prediabetes to potentially reduce risk of progression;

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