# Calcium Vitamin D Fracture Randomized Trial: What the Evidence Says
Canonical: https://www.migaku.app/guides/calcium-vitamin-d-fracture-randomized-trial-evidence-review
Category: evidence-review
Summary: Calcium Vitamin D Fracture Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass
Last reviewed: 2026-06-25
Reviewed by: Migaku Evidence Review
# Calcium Vitamin D Fracture Randomized Trial: What the Evidence Says

## Quick Answer

Calcium Vitamin D Fracture Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are randomized trial, so conclusions should be framed as evidence-aware guidance rather than medical advice.

## Key Takeaways

- This page is generated only from sources stored in the Migaku evidence knowledge base.
- Current evidence mix: 1 randomized trial, 1 research article.
- Claims should be interpreted with the source type, study design, population, and publication date in mind.
- This article is educational and does not replace care from a qualified clinician.

## Evidence Map

| Source | Evidence type | Level | Date | Identifier |
| --- | --- | ---: | --- | --- |
| Effect of Vitamin D Supplementation Regimens on Fracture Healing and Serum Biomarker Profile in Long-Bone Fractures: A Prospective Randomized Study. | randomized trial | 2 | 2026-05-01 | 10.13107/jocr.2026.v16.i05.7314 |
| Revisiting the Role of Vitamin D in Fracture Prevention in the Era of Mega-Trials. | research article | 4 | 2026-04-29 | 10.3803/enm.2026.2938 |

## What The Sources Report

- Statistical analysis was performed using appropriate parametric and non-parametric tests, with P Results Both supplementation regimens significantly improved serum Vitamin D levels; however, the weekly regimen achieved higher levels at 12 weeks (32.8 ± 7.4 ng/mL vs. [Selvaraj NV (2026); evidence level 2]
- Serum calcium levels increased and PTH levels decreased significantly, with greater changes observed in the weekly supplementation group. [Selvaraj NV (2026); evidence level 2]
- Moreover, growing evidence suggesting an increased fall risk associated with high-dose bolus administration has necessitated a re-evaluation of safety assumptions. [Kong SH (2026); evidence level 4]
- Ultimately, we advocate a shift away from a 'one-size-fits-all' paradigm toward targeted strategies that maximize efficacy while minimizing the risks associated with excess supplementation. [Kong SH (2026); evidence level 4]

## How To Read This Evidence

Evidence level 1 generally reflects systematic reviews or meta-analyses. Level 2 includes randomized trials, guidelines, or public-health guidance. Level 3 usually reflects observational or narrative-review evidence. Level 4 is weaker or early-stage evidence. The level is a sorting aid, not a final quality grade.

## Practical Interpretation

There is trial evidence in the current set, but population and intervention details still matter. For calcium vitamin D fracture randomized trial, the next editorial step is to add more targeted sources and separate strong findings from early or indirect evidence.

## Limits Of This First Pass

This is a small-batch MVP article. It uses the first ingested sources for this topic and should be expanded with more targeted searches, license review, and human editorial checks before being treated as a definitive review.

## References

- Selvaraj NV (2026). Effect of Vitamin D Supplementation Regimens on Fracture Healing and Serum Biomarker Profile in Long-Bone Fractures: A Prospective Randomized Study.. DOI: 10.13107/jocr.2026.v16.i05.7314. PMCID: PMC13161957. PMID: 42130995. https://pmc.ncbi.nlm.nih.gov/articles/PMC13161957/
- Kong SH (2026). Revisiting the Role of Vitamin D in Fracture Prevention in the Era of Mega-Trials.. DOI: 10.3803/enm.2026.2938. PMCID: PMC13172633. PMID: 42114835. https://pmc.ncbi.nlm.nih.gov/articles/PMC13172633/

## Safety Note

Health information can change, and individual risk depends on medical history, medications, pregnancy status, age, and diagnosis. Talk with a qualified clinician before changing treatment, supplement, or medication routines.