Vitamin B6 untuk Insomnia
B Bukti Setidaknya satu uji coba acak mendukung hal ini, dengan hasil yang sebagian besar konsisten.Berdasarkan 5 studi (1 RCT) dengan 50 peserta secara total. 3/5 studi menunjukkan efek positif.
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B
Kesimpulan
Vitamin B6 may play a role in supporting sleep through its involvement in melatonin production, but the direct evidence for insomnia is limited and preliminary.
- Only 5 studies with 50 total participants — evidence is preliminary
- B6 is involved in producing serotonin and melatonin, both important for sleep
- Genetic studies (Mendelian randomization) suggest a link between B6 and sleep behaviors
- More clinical trials with larger sample sizes are needed
Key Study Findings
Other
Causal relations of trace elements and nutrients with insomnia: A Mendelian randomization study.
Dose: None
vs: None
Outcome: Causal association of nutrients with insomnia
Efek: Magnesium OR 0.869 (95% CI 0.763-0.990)
P<0.05
Populasi: FinnGen insomnia GWAS population
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
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.
prospective single-arm open-label pilot study
n=40
4 weeks
Open-label
A combination of melatonin, vitamin B6 and medicinal plants in the treatment of mild-to-moderate insomnia: …
Dose: not specified per component
vs: Placebo
Efek: mean sleep quality +1.9 points
p < 0.001
Review
Iron Deficiency, Zinc, Magnesium, Vitamin Deficiencies in Crohn's Disease: Substitute or Not?
Dose: None
vs: None
Outcome: None
Efek: None
None
Populasi: Crohn's disease patients (micronutrient deficiency)
Review
Strategies of Functional Foods Promote Sleep in Human Being.
Dose: None
vs: None
Outcome: Sleep quality and insomnia prevention
Efek: None
None
Populasi: Adults with insomnia or sleep disorders
Key Statistics
8
Studi
40
Peserta
↑
Positive
B
Peringkat
Referenced Papers
Causal relations of trace elements and nutrients with insomnia: A Mendelian randomization study.
Other
Medicine
2025
Nutricion hospitalaria
2025
Brain and behavior
2025
A Cross-Sectional Study on the Drug Use of Insomnia in a Chinese Medicine Hospital in Shenzhen.
Other
Psychiatry and clinical …
2025
Sleep & breathing …
2024
Complementary therapies in …
2019
26 sitasi
Nutrients
2017
27 sitasi
Iron Deficiency, Zinc, Magnesium, Vitamin Deficiencies in Crohn's Disease: Substitute or Not?
Review
Digestive diseases (Basel, …
2016
41 sitasi
Neurological sciences : …
2014
58 sitasi
Current signal transduction …
2014
41 sitasi
Journal of child …
2013
18 sitasi
European journal of …
2012
225 sitasi
Przeglad lekarski
2011
Climacteric : the …
2006
Seminars in thrombosis …
2000
194 sitasi
The Journal of …
1983
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosis yang Umum Digunakan
- sleep:
- 25-50 mg with B-complex
- general:
- 1.3-1.7 mg/day
Batas atas: 100 mg/day (neuropathy risk above)
Dosis yang Diteliti dalam Penelitian
| Dosis | Durasi | Efek | N |
|---|---|---|---|
| None | -- | Positive | -- |
| tryptophan, carbohydrates, omega-3, vitamins (B6, B12, folate, niacin, D, C, beta-carotene), mineral | -- | Positive | -- |
| None | -- | Mixed | -- |
| not specified per component | 4 weeks | Positive | 40 |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| 5 mg | -- | Mixed | -- |
Waktu terbaik diminum: Morning or with dinner; high doses before bed may increase dream vividness
Safety & Side Effects
Efek Samping yang Dilaporkan
- ⚠ Nausea
- ⚠ Peripheral neuropathy at high doses (>100 mg/day)
- ⚠ Vivid dreams
- ⚠ Heartburn
Interaksi yang Diketahui
- ● Levodopa — B6 may reduce effectiveness (without carbidopa)
- ● Phenobarbital and phenytoin — B6 may reduce serum levels
- ● Cycloserine — B6 deficiency may worsen side effects
Asupan atas yang dapat ditoleransi: 100 mg/day (neuropathy risk above)
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 B6 help with Insomnia?
Based on 8 studies with 40 participants, there is moderate evidence from clinical studies that Vitamin B6 may support Insomnia management. Our evidence grade is B (Good Evidence).
How much Vitamin B6 should I take for Insomnia?
Studies have used various dosages. A commonly studied range is 25-50 mg with B-complex. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Vitamin B6?
Reported side effects may include Nausea, Peripheral neuropathy at high doses (>100 mg/day), Vivid dreams, Heartburn. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Vitamin B6 and Insomnia?
We rate the evidence as Grade B (Good Evidence). This rating is based on 8 peer-reviewed studies with 40 total participants. The overall direction of effect is positive.
Related Evidence
Bahan lain untuk Insomnia
Vitamin B6 untuk kondisi lain
References
- [1] Lei Luo et al.. Medicine (Baltimore). 2025. Causal relations of trace elements and nutrients with insomnia: A Mendelian randomization study. doi:10.1097/MD.0000000000046075 PubMed
- [2] Rosa M Ortega et al.. Nutr Hosp. 2025. [Nutrition in improving sleep quality and fighting insomnia]. doi:10.20960/nh.06090 PubMed
- [3] Ruijie Zhang et al.. Brain Behav. 2025. Genetically Supported Causality Between Micronutrients and Sleep Behaviors: A Two-Sample Mendelian Randomization Study. doi:10.1002/brb3.70237 PubMed
- [4] Jingfeng Lin et al.. Psychiatry Clin Psychopharmacol. 2025. A Cross-Sectional Study on the Drug Use of Insomnia in a Chinese Medicine Hospital in Shenzhen. doi:10.5152/pcp.2025.24923 PubMed
- [5] Xiao Li et al.. Sleep Breath. 2024. A genome-wide methylation analysis of Chinese Han patients with chronic insomnia disorder. doi:10.1007/s11325-024-03145-7 PubMed
- [6] Patrick Lemoine et al.. Complement Ther Med. 2019. A combination of melatonin, vitamin B6 and medicinal plants in the treatment of mild-to-moderate insomnia: A prospective pilot study. doi:10.1016/j.ctim.2019.05.024 PubMed
- [7] Andrew Scholey et al.. Nutrients. 2017. Exploring the Effect of Lactium™ and Zizyphus Complex on Sleep Quality: A Double-Blind, Randomized Placebo-Controlled Trial. doi:10.3390/nu9020154 PubMed
- [8] Wolfgang Kruis et al.. Dig Dis. 2016. Iron Deficiency, Zinc, Magnesium, Vitamin Deficiencies in Crohn's Disease: Substitute or Not? doi:10.1159/000443012 PubMed
- [9] D Dalla Libera et al.. Neurol Sci. 2014. Complementary and alternative medicine (CAM) use in an Italian cohort of pediatric headache patients: the tip of the iceberg. doi:10.1007/s10072-014-1756-y PubMed
- [10] Yawen Zeng et al.. Curr Signal Transduct Ther. 2014. Strategies of Functional Foods Promote Sleep in Human Being. doi:10.2174/1574362410666150205165504 PubMed
- [11] Elisabeth A Frazier et al.. J Child Adolesc Psychopharmacol. 2013. Nutritional and safety outcomes from an open-label micronutrient intervention for pediatric bipolar spectrum disorders. doi:10.1089/cap.2012.0098 PubMed
- [12] Nils Hovdenak et al.. Eur J Obstet Gynecol Reprod Biol. 2012. Influence of mineral and vitamin supplements on pregnancy outcome. doi:10.1016/j.ejogrb.2012.06.020 PubMed
- [13] Miroslav Mydlík et al.. Przegl Lek. 2011. Kidney damage in acute intermittent porphyria. PubMed
- [14] H Hachul de Campos et al.. Climacteric. 2006. Sleep disturbances, oxidative stress and cardiovascular risk parameters in postmenopausal women complaining of insomnia. doi:10.1080/13697130600871947 PubMed
- [15] R Clarke et al.. Semin Thromb Hemost. 2000. Vitamin supplements and cardiovascular risk: review of the randomized trials of homocysteine-lowering vitamin supplements. doi:10.1055/s-2000-8101 PubMed
- [16] G E Abraham. J Reprod Med. 1983. Nutritional factors in the etiology of the premenstrual tension syndromes. PubMed
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