Vitamin D için Nutritional Deficiency Cognitive Impairment
B Kanıt Bunu büyük ölçüde tutarlı sonuçlarla en az bir randomize çalışma desteklemektedir.Vitamin D deficiency is identified as a critical risk factor for cognitive decline. 40% of geriatric memory clinic patients are D-deficient. Co-supplementation with B12 and folate appears to provide synergistic cognitive support.
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B
Sonuç
Vitamin D deficiency is identified as a critical risk factor for cognitive decline. 40% of geriatric memory clinic patients are D-deficient. Co-supplementation with B12 and folate appears to provide synergistic cognitive support.
Key Study Findings
Observational Study
n=2582
Relationship Between Serum Vitamins and Cognitive Impairment in the Elderly: A Study Based on the …
Dose: None
vs: None
Outcome: Cognitive impairment risk
Etki: OR=0.695 (Vit D); OR=0.777 (FA)
p=0.003 (Vit D); p=0.034 (FA)
Popülasyon: Elderly participants aged 60+ from NHANES 2011-2014
Review
B-vitamins and one-carbon metabolism during pregnancy: health impacts and challenges.
Dose: None
vs: None
Outcome: Pregnancy outcomes and offspring neurodevelopment
Etki: None
None
Popülasyon: Pregnant women (review)
Meta-Analysis
Effects of vitamins and polyunsaturated fatty acids on cognitive function in older adults with mild …
Dose: None
vs: Control
Outcome: Cognitive function
Etki: SMD = 0.58, 95% CI = [0.20, 0.96]
P = 0.003
Popülasyon: Patients with mild cognitive impairment
Other
Dietary Clostridium butyricum and 25-Hydroxyvitamin D3 modulate bone metabolism of broilers through the gut-brain axis.
Dose: 75 mg
vs: None
Outcome: Body weight
Etki: None
P < 0.05
Popülasyon: Rat model
Controlled Clinical Trial
Targeting neuroendocrine abnormalities in Parkinson's disease with exercise.
Dose: None
vs: None
Outcome: neuroprotection
Etki: None
None
Popülasyon: None
RCT
n=65
36 weeks
Double-blind
Yeast Beta-Glucan Supplementation with Multivitamins Attenuates Cognitive Impairments in Individuals with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: …
Dose: 4 capsules daily, each containing: beta-glucan 250 mg + vitamin D3 3.75 µg + vitamin B6 1.05 mg + zi
vs: Placebo
Etki: significant improvement in cognitive fatigue (FIS-40); p = 0.0338
0.0338
Key Statistics
20
Çalışmalar
4500
Katılımcılar
↑
Positive
B
Derece
Referenced Papers
Brain and behavior
2026
The Proceedings of …
2025
5 atıf
European journal of …
2024
16 atıf
Poultry science
2024
9 atıf
Nutrients
2023
9 atıf
Frontiers in neuroscience
2023
5 atıf
Journal of cosmetic …
2023
3 atıf
Nutrition and health
2020
4 atıf
Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life.
Meta-Analysis
The Cochrane database …
2018
123 atıf
The journal of …
2017
75 atıf
The journal of …
2015
25 atıf
[Vitamins and nutritional supplements in older persons: How to diagnose and when to substitute?].
Review
Der Internist
2015
3 atıf
European journal of …
2012
225 atıf
Evidence report/technology assessment
2006
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Yaygın Kullanılan Dozajlar
- general:
- 600-2,000 IU/day
- deficiencycorrection:
- 4,000-5,000 IU/day
Üst sınır: 4,000 IU/day (IOM); 10,000 IU/day (Endocrine Society upper safety)
Araştırmalarda İncelenen Dozajlar
| Dozaj | Süre | Etki | N |
|---|---|---|---|
| None | -- | Positive | 2582 |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| 75 mg | -- | Neutral | -- |
| None | -- | Positive | -- |
| 4 capsules daily, each containing: beta-glucan 250 mg + vitamin D3 3.75 µg + vitamin B6 1.05 mg + zi | 36 weeks | Positive | 65 |
| None | -- | Negative | 90 |
| 50000 IU/week | 9 weeks | Positive | 619 |
En iyi alım zamanı: With meals containing fat; morning preferred
Safety & Side Effects
Bildirilen Yan Etkiler
- ⚠ Hypercalcemia at very high doses
- ⚠ Nausea and vomiting
- ⚠ Kidney stones (rare, high doses)
- ⚠ Weakness and fatigue
Bilinen Etkileşimler
- ● Corticosteroids (reduce calcium absorption)
- ● Statins (both affect cholesterol pathways)
- ● Thiazide diuretics (additive calcium retention)
- ● Weight loss drugs (may reduce vitamin D absorption)
Tolere edilebilir üst alım: 4,000 IU/day (IOM); 10,000 IU/day (Endocrine Society upper safety)
Herhangi bir takviye kullanmaya başlamadan önce mutlaka sağlık uzmanınıza danışın.Herhangi bir takviye başlatmadan önce her zaman sağlık uzmanınıza danışın.
Frequently Asked Questions
Does Vitamin D help with Nutritional Deficiency Cognitive Impairment?
Based on 20 studies with 4,500 participants, there is moderate evidence from clinical studies that Vitamin D may support Nutritional Deficiency Cognitive Impairment management. Our evidence grade is B (Good Evidence).
How much Vitamin D should I take for Nutritional Deficiency Cognitive Impairment?
Studies have used various dosages. A commonly studied range is 600-2,000 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 very high doses, Nausea and vomiting, Kidney stones (rare, high doses), Weakness and fatigue. 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 Nutritional Deficiency Cognitive Impairment?
We rate the evidence as Grade B (Good Evidence). This rating is based on 20 peer-reviewed studies with 4,500 total participants. The overall direction of effect is positive.
Related Evidence
Şu durum için diğer içerikler: Nutritional Deficiency Cognitive Impairment
Vitamin D diğer sağlık durumları için
References
- [1] Jiarui Miao et al.. Brain Behav. 2026. Relationship Between Serum Vitamins and Cognitive Impairment in the Elderly: A Study Based on the NHANES Database. doi:10.1002/brb3.71181 PubMed
- [2] Kristina Pentieva et al.. Proc Nutr Soc. 2025. B-vitamins and one-carbon metabolism during pregnancy: health impacts and challenges. doi:10.1017/S0029665124004865 PubMed
- [3] Jing Chang et al.. Eur J Nutr. 2024. Effects of vitamins and polyunsaturated fatty acids on cognitive function in older adults with mild cognitive impairment: a meta-analysis of … doi:10.1007/s00394-024-03324-y PubMed
- [4] Guangtian Cao et al.. Poult Sci. 2024. Dietary Clostridium butyricum and 25-Hydroxyvitamin D3 modulate bone metabolism of broilers through the gut-brain axis. doi:10.1016/j.psj.2024.103966 PubMed
- [5] Marcos Lacasa et al.. Nutrients. 2023. Yeast Beta-Glucan Supplementation with Multivitamins Attenuates Cognitive Impairments in Individuals with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial. doi:10.3390/nu15214504 PubMed
- [6] Nijee S Luthra et al.. Front Neurosci. 2023. Targeting neuroendocrine abnormalities in Parkinson's disease with exercise. doi:10.3389/fnins.2023.1228444 PubMed
- [7] N M Dawoud et al.. J Cosmet Dermatol. 2023. Serum brain-derived neurotrophic factor and vitamin D: Two concordant players controlling depression among alopecia areata and vitiligo patients: A case-control … doi:10.1111/jocd.15725 PubMed
- [8] Elahe Allahyari et al.. Nutr Health. 2020. The relationship between neuropsychological function and responsiveness to vitamin D supplementation using artificial neural networks. doi:10.1177/0260106020937190 PubMed
- [9] Anne Ws Rutjes et al.. Cochrane Database Syst Rev. 2018. Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life. doi:10.1002/14651858.CD011906.pub2 PubMed
- [10] G Iolascon et al.. J Nutr Health Aging. 2017. Are Dietary Supplements and Nutraceuticals Effective for Musculoskeletal Health and Cognitive Function? A Scoping Review. doi:10.1007/s12603-016-0823-x PubMed
- [11] D Krause et al.. J Nutr Health Aging. 2015. Effect of Vitamin Intake on Cognitive Decline in Older Adults: Evaluation of the Evidence. doi:10.1007/s12603-015-0539-3 PubMed
- [12] D Polivka et al.. Internist (Berl). 2015. [Vitamins and nutritional supplements in older persons: How to diagnose and when to substitute?]. doi:10.1007/s00108-015-3778-9 PubMed
- [13] 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
- [14] Han-Yo Huang et al.. Evid Rep Technol Assess (Full Rep). 2006. Multivitamin/mineral supplements and prevention of chronic disease. PubMed
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