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Vitamin D untuk Insomnia

A

Berdasarkan 53 studi (3 meta-analyses, 1 RCT) dengan 685,942 peserta secara total. Hasil bervariasi di antara studi-studi tersebut.

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A

Kesimpulan

The evidence on vitamin D for insomnia is mixed — low vitamin D levels are associated with poor sleep, but taking vitamin D supplements does not consistently improve insomnia symptoms.

  • 53 studies with 685,942 participants, though mostly from observational research
  • Low vitamin D levels are associated with poor sleep in population studies
  • Supplementation results are inconsistent — not a reliable standalone sleep aid
  • May be most relevant for people who are vitamin D deficient

Key Study Findings

review
Vitamin D and Sleep Disorders.
Dose: None vs: Placebo Efek: None None
review
Top studies of 2024 relevant to primary care: From the PEER team.
Dose: None vs: Placebo Efek: None None
Mendelian randomization
Genetically Supported Causality Between Micronutrients and Sleep Behaviors: A Two-Sample Mendelian Randomization Study.
Dose: None vs: Placebo Efek: Folate vs chronotype OR 1.09 (95% CI 1.01-1.17); Vitamin B6 vs chronotype OR 0.91 (95% CI 0.86-0.96) Folate p=0.02; Vitamin B6 p=1.
review
[Nutrition in improving sleep quality and fighting insomnia].
Dose: tryptophan, carbohydrates, omega-3, vitamins (B6, B12, folate, niacin, D, C, beta-carotene), mineral vs: Placebo Efek: None None
systematic review and meta-analysis
Causal factors for migraine in Mendelian randomization studies: a systematic review and meta-analysis.
Dose: None vs: Placebo Efek: None None

Key Statistics

56

Studi

685966

Peserta

Mixed

A

Peringkat

Referenced Papers

Advances in experimental … 2026
International journal of … 2022 107 sitasi
International journal of … 2022 36 sitasi
Combinatorial chemistry & … 2021 16 sitasi
Diagnosis (Berlin, Germany) 2018 4 sitasi
The journal of … 2015 13 sitasi

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Dosis yang Umum Digunakan

general:
600-800 IU/day
deficiency:
1,000-5,000 IU/day

Batas atas: 4,000 IU/day

Dosis yang Diteliti dalam Penelitian

Dosis Durasi Efek N
None -- Positive --
None -- Mixed --
None -- Mixed --
None -- Mixed --
tryptophan, carbohydrates, omega-3, vitamins (B6, B12, folate, niacin, D, C, beta-carotene), mineral -- Positive --
None -- Mixed --
None -- Positive --
None -- Positive --

Waktu terbaik diminum: Morning with a meal containing fat; avoid evening dosing

Safety & Side Effects

Efek Samping yang Dilaporkan

  • Hypercalcemia at high doses
  • Nausea
  • Constipation
  • Kidney stones (rare, with excessive intake)

Interaksi yang Diketahui

  • Corticosteroids — reduce calcium absorption, affecting vitamin D metabolism
  • Weight-loss drugs (orlistat) — may reduce vitamin D absorption
  • Statins — vitamin D may affect statin metabolism

Asupan atas yang dapat ditoleransi: 4,000 IU/day

Selalu konsultasikan dengan tenaga kesehatan Anda sebelum memulai suplemen apa pun.Selalu konsultasikan dengan penyedia layanan kesehatan Anda sebelum memulai suplemen apa pun.

Frequently Asked Questions

Does Vitamin D help with Insomnia?
Based on 56 studies with 685,966 participants, there is strong evidence from multiple clinical trials that Vitamin D may support Insomnia management. Our evidence grade is A (Strong Evidence).
How much Vitamin D should I take for Insomnia?
Studies have used various dosages. A commonly studied range is 600-800 IU/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Vitamin D?
Reported side effects may include Hypercalcemia at high doses, Nausea, Constipation, Kidney stones (rare, with excessive intake). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Vitamin D and Insomnia?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 56 peer-reviewed studies with 685,966 total participants. The overall direction of effect is mixed.

Related Evidence

Penafian FDA: Pernyataan-pernyataan ini belum dievaluasi oleh Food and Drug Administration. Produk dan informasi di situs web ini tidak dimaksudkan untuk mendiagnosis, mengobati, menyembuhkan, atau mencegah penyakit apa pun. Peringkat bukti yang disajikan didasarkan pada analisis kami terhadap penelitian yang ditinjau sejawat dan tidak merupakan saran medis. Selalu konsultasikan dengan penyedia layanan kesehatan Anda sebelum memulai regimen suplemen apa pun.