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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Vitamin D and Improved Hearing at 6000 Hz

Doses used in studies

D3 · IU single-dose: 50,000 (median 50,000, IQR 50,000–50,000) — 1 study

Time to effect

Median: 4.3 weeks · IQR 4.3 weeks–4.3 weeks · Range 4.3 weeks–4.3 weeks — Reported in 1 of 1 study

1 of 1 paper

The impact of vitamin D supplementation on sudden sensorineural hearing loss in vitamin D deficient patients: A double-blind, placebo-controlled trial: A pilot study.
- 2026-03
- RCT
- American journal of otolaryngology 47(2)
- - Bahareh Tavakoli
  - Sohrab Rabiei
- PubMed: 41570758
- DOI: 10.1016/j.amjoto.2026.104793
6 Insights on
- Improved Hearing at 6000 Hz
- High evidence
- Clinical
No significant benefits were observed at lower frequencies (500 Hz and 1000 Hz) or at 6000 Hz, where the control group showed greater improvement
Effect
Neutral
Effect size
Small
Significant
No
Dose
Pearl, 50000 IU vitamin D3