Endo Vit D Supp Children Adolescents

---
name: endo-vit-d-supp-children-adolescents
description: Suggests empiric vitamin D supplementation to prevent nutritional rickets and potentially lower respiratory tract infection risk in children and adolescents aged 1 to 18 years. Use when a clinician asks about vitamin D supplementation for patients aged 1 to 18 years to prevent rickets or respiratory infections.
---

# Vitamin D supplementation for children and adolescents

## STEP 1 — Gather Information
Collect patient age (confirm 1–18 years), assess for established indications for vitamin D treatment or 25(OH)D testing (e.g., hypocalcemia, malabsorption syndromes, chronic kidney disease, granulomatous disorders, medications affecting vitamin D metabolism), and verify generally healthy status without those conditions.

## STEP 2 — Rule In / Rule Out
Rule in if the patient is aged 1–18 years, generally healthy, and lacks established indications for vitamin D treatment or testing; otherwise rule out empiric supplementation per this guideline.

## STEP 3 — Classify or Stratify
No further stratification needed; all ruled‑in patients receive the same empiric supplementation recommendation.

## STEP 4 — Decide
Recommend empiric vitamin D supplementation via daily intake of fortified foods, vitamin D–containing formulations (e.g., multivitamins), and/or a daily vitamin D supplement (pill or drops); typical dose range 300–2000 IU daily equivalent, with a weighted average of approximately 1200 IU per day based on trial data for respiratory infection outcomes.

## Clinical Guardrails / Mimics / Pitfalls
Do not routinely measure 25(OH)D to guide supplementation; avoid high intermittent bolus dosing in favor of daily lower‑dose regimens; do not apply to infants <1 year (separate guideline exists); do not use in patients with conditions that alter vitamin D physiology (e.g., chronic kidney disease, malabsorption, certain anticonvulsants); do not exceed tolerable upper intake levels without supervision; supplementation does not replace dietary reference intakes.

## Concrete Clinical Example
A 7‑year‑old with limited outdoor activity and low intake of fortified milk asks about preventing rickets; clinician confirms no contraindications and recommends empiric vitamin D supplementation of 600 IU daily via a chewable tablet or fortified orange juice.

**Source:** Vitamin D for the Prevention of Disease: An Endocrine Society Clinical Practice Guideline, Endocrine Society, 2024, https://doi.org/10.1210/clinem/dgae290