Vitamin D für Depression-Related Cognitive Dysfunction

Q: Does Vitamin D help with Depression-Related Cognitive Dysfunction?

Based on 12 studies with 2,000 participants, there is limited but promising evidence that Vitamin D may support Depression-Related Cognitive Dysfunction management. Our evidence grade is C (Some Evidence).

Q: How much Vitamin D should I take for Depression-Related Cognitive Dysfunction?

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.

Q: 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.

Q: How strong is the evidence for Vitamin D and Depression-Related Cognitive Dysfunction?

We rate the evidence as Grade C (Some Evidence). This rating is based on 12 peer-reviewed studies with 2,000 total participants. The overall direction of effect is positive.

Research suggests vitamin D supplementation may help improve depressive symptoms including brain fog and mood-related cognitive symptoms, particularly in deficient individuals.

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Fazit

Research suggests vitamin D supplementation may help improve depressive symptoms including brain fog and mood-related cognitive symptoms, particularly in deficient individuals.

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 Wirkung: OR=0.695 (Vit D); OR=0.777 (FA) p=0.003 (Vit D); p=0.034 (FA)

Population: 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 Wirkung: None None

Population: 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 Wirkung: SMD = 0.58, 95% CI = [0.20, 0.96] P = 0.003

Population: 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 Wirkung: None P < 0.05

Population: Rat model

Controlled Clinical Trial

Targeting neuroendocrine abnormalities in Parkinson's disease with exercise.

Dose: None vs.: None Outcome: neuroprotection Wirkung: None None

Population: 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 Wirkung: significant improvement in cognitive fatigue (FIS-40); p = 0.0338 0.0338

Key Statistics

Studien

2000

Teilnehmer

↑

Positive

Bewertung

Referenced Papers

Relationship Between Serum Vitamins and Cognitive Impairment in the Elderly: A Study Based on the NHANES Database. Other

Brain and behavior 2026

B-vitamins and one-carbon metabolism during pregnancy: health impacts and challenges. Review

The Proceedings of … 2025 5 Zitierungen

Effects of vitamins and polyunsaturated fatty acids on cognitive function in older adults with mild cognitive impairment: a meta-analysis of … Meta-Analysis

European journal of … 2024 16 Zitierungen

Dietary Clostridium butyricum and 25-Hydroxyvitamin D3 modulate bone metabolism of broilers through the gut-brain axis. Other

Poultry science 2024 9 Zitierungen

Yeast Beta-Glucan Supplementation with Multivitamins Attenuates Cognitive Impairments in Individuals with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial. RCT

Nutrients 2023 9 Zitierungen

Targeting neuroendocrine abnormalities in Parkinson's disease with exercise. Other

Frontiers in neuroscience 2023 5 Zitierungen

Serum brain-derived neurotrophic factor and vitamin D: Two concordant players controlling depression among alopecia areata and vitiligo patients: A case-control … Other

Journal of cosmetic … 2023 3 Zitierungen

The relationship between neuropsychological function and responsiveness to vitamin D supplementation using artificial neural networks. Other

Nutrition and health 2020 4 Zitierungen

Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life. Meta-Analysis

The Cochrane database … 2018 123 Zitierungen

Are Dietary Supplements and Nutraceuticals Effective for Musculoskeletal Health and Cognitive Function? A Scoping Review. Review

The journal of … 2017 75 Zitierungen

Effect of Vitamin Intake on Cognitive Decline in Older Adults: Evaluation of the Evidence. Review

The journal of … 2015 25 Zitierungen

[Vitamins and nutritional supplements in older persons: How to diagnose and when to substitute?]. Review

Der Internist 2015 3 Zitierungen

Influence of mineral and vitamin supplements on pregnancy outcome. Review

European journal of … 2012 225 Zitierungen

Multivitamin/mineral supplements and prevention of chronic disease. Review

Evidence report/technology assessment 2006

Dosage & Usage

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

Übliche Dosierungen

general:: 600-2,000 IU/day
deficiencycorrection:: 4,000-5,000 IU/day

Obergrenze: 4,000 IU/day (IOM); 10,000 IU/day (Endocrine Society upper safety)

In der Forschung untersuchte Dosierungen

Dosierung	Dauer	Wirkung	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

Beste Einnahmezeit: With meals containing fat; morning preferred

Safety & Side Effects

Gemeldete Nebenwirkungen

⚠ Hypercalcemia at very high doses
⚠ Nausea and vomiting
⚠ Kidney stones (rare, high doses)
⚠ Weakness and fatigue

Bekannte Wechselwirkungen

● Corticosteroids (reduce calcium absorption)
● Statins (both affect cholesterol pathways)
● Thiazide diuretics (additive calcium retention)
● Weight loss drugs (may reduce vitamin D absorption)

Tolerierbare Höchstaufnahmemenge: 4,000 IU/day (IOM); 10,000 IU/day (Endocrine Society upper safety)

Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.

Frequently Asked Questions

Does Vitamin D help with Depression-Related Cognitive Dysfunction?

Based on 12 studies with 2,000 participants, there is limited but promising evidence that Vitamin D may support Depression-Related Cognitive Dysfunction management. Our evidence grade is C (Some Evidence).

How much Vitamin D should I take for Depression-Related Cognitive Dysfunction?

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 Depression-Related Cognitive Dysfunction?

We rate the evidence as Grade C (Some Evidence). This rating is based on 12 peer-reviewed studies with 2,000 total participants. The overall direction of effect is positive.

Related Evidence

Andere Inhaltsstoffe für Depression-Related Cognitive Dysfunction

Omega-3 Fatty Acids (DHA/EPA) B N-Acetyl Cysteine C

Vitamin D für andere Beschwerden

Nutritional Deficiency Cognitive Impairment B

Kurzfazit

Research suggests vitamin D supplementation may help improve depressive symptoms including brain fog and mood-related cognitive symptoms, particularly in deficient individuals.

Evidence Strength52%

Moderate confidence

Studienübersicht

RCT (1)Meta (2)Other (9)

Alternativen vergleichen

Sehen Sie, wie andere Inhaltsstoffe bei dieser Beschwerde abschneiden.

Alle Inhaltsstoffe ansehen für Depression-Related Cognitive Dysfunction

Mehr erfahren

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