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Vitamin D para Immune Aging (Immunosenescence)

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Research suggests vitamin D supplementation in elderly populations may help improve immune markers and vaccine response. Deficiency is highly prevalent in older adults and is associated with impaired immune function and increased infection susceptibility.

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Conclusão

Research suggests vitamin D supplementation in elderly populations may help improve immune markers and vaccine response. Deficiency is highly prevalent in older adults and is associated with impaired immune function and increased infection susceptibility.

Key Study Findings

Review
Fanconi anaemia as a human model of accelerated epigenetic and immune ageing.
Dose: None vs: None Outcome: None Efeito: None None

População: patients with Fanconi anaemia

Randomized Controlled Trial n=124
Effects of a Novel Dispersible Supplement Containing 2500 IU of Vitamin D and 1000 µg …
Dose: 2500 IU vitamin D + 1000 mcg B12 vs: Separate D+B12 and no supplementation control Outcome: Serum 25-OH-D and B12 level restoration Efeito: 37.1% adequate vs 29.4% separate None

População: Adults with vitamin D (<20ng/mL) and B12 (<250ng/L) insufficiency

Observational Study n=72
Cardiovascular Risk and Systemic Inflammation in Alopecia Areata: An Observational Case-control Study.
Dose: None vs: Healthy controls Outcome: CVR and systemic inflammation in alopecia areata Efeito: None None

População: 36 AA patients vs 36 matched controls, mean age 39

Controlled Clinical Trial
Vitamin D stimulates Il-15 synthesis in rodent muscle.
Dose: Single dose (rats); variable (in vitro) vs: Untreated controls; VDR-KO mice Outcome: IL-15 gene expression in skeletal muscle Efeito: None None

População: C2C12 myotubes, rats, VDR-KO mice

Randomized Controlled Trial 8 weeks
Comparison of Safety and Efficacy of Topical Mometasone 0.1% Ointment, Calcipotriol 0.005% Ointment, and Tacrolimus …
Dose: Topical ointment application (3 arms) vs: 3-arm: mometasone vs calcipotriol vs tacrolimus Outcome: SALT score change at 8 weeks Efeito: None <0.001 (momet, calcipot)

População: Patients with localized alopecia areata

Other
Modelling the influence of vitamin D and probiotics on inflammation and the intestinal microbiota in …
Dose: None vs: No supplementation (modeled) Outcome: Epithelial barrier integrity and immune response Efeito: None None

População: Older adults (mathematical model)

Key Statistics

10

Estudos

5000

Participantes

Positive

B

Nota

Referenced Papers

Biochemistry and biophysics … 2025
International journal of … 2023 54 citações
Autoimmunity reviews 2023 24 citações
Mini reviews in … 2023 9 citações
Physiological research 2021 2 citações
Journal of cachexia, … 2020 365 citações
Advances in chronic … 2019 326 citações
Actas dermo-sifiliograficas 2019 43 citações
European journal of … 2017 66 citações
Postepy dermatologii i … 2017 31 citações
World journal of … 2016 238 citações
Ageing research reviews 2016 142 citações
Postepy dermatologii i … 2016 59 citações
Indian dermatology online … 2016 51 citações
World journal of … 2015 62 citações
The American journal … 2014 125 citações
European journal of … 2012 225 citações
Inflammatory bowel diseases 2012 224 citações
Gerontology 2011 27 citações
Gastroenterology 2010 390 citações
Artificial organs 2006 76 citações
Aging cell 2004 102 citações

Dosage & Usage

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

Dosagens Comumente Utilizadas

general:
600-800 IU/day
immunesupport:
1,000-2,000 IU/day
deficiencycorrection:
4,000-5,000 IU/day (under medical supervision)

Limite superior: 4,000 IU/day (100 mcg)

Dosagens Estudadas em Pesquisas

Dosagem Duração Efeito N
None -- Negative --
2500 IU vitamin D + 1000 mcg B12 -- Positive 124
None -- Negative 72
Single dose (rats); variable (in vitro) -- Positive --
Topical ointment application (3 arms) 8 weeks Positive --
None -- Positive --
None -- Mixed --
None -- Mixed --

Melhor horário: With a meal containing fat for better absorption

Safety & Side Effects

Efeitos Colaterais Relatados

  • Hypercalcemia at very high doses (nausea, vomiting, weakness)
  • Kidney stones with excessive long-term use
  • Constipation
  • Metallic taste

Interações Conhecidas

  • Thiazide diuretics (may increase risk of hypercalcemia)
  • Corticosteroids (reduce vitamin D absorption and metabolism)
  • Orlistat and cholestyramine (reduce fat-soluble vitamin absorption)
  • Statins (vitamin D may affect statin metabolism)

Ingestão máxima tolerável: 4,000 IU/day (100 mcg)

Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.

Frequently Asked Questions

Does Vitamin D help with Immune Aging (Immunosenescence)?
Based on 10 studies with 5,000 participants, there is moderate evidence from clinical studies that Vitamin D may support Immune Aging (Immunosenescence) management. Our evidence grade is B (Good Evidence).
How much Vitamin D should I take for Immune Aging (Immunosenescence)?
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 very high doses (nausea, vomiting, weakness), Kidney stones with excessive long-term use, Constipation, Metallic taste. 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 Immune Aging (Immunosenescence)?
We rate the evidence as Grade B (Good Evidence). This rating is based on 10 peer-reviewed studies with 5,000 total participants. The overall direction of effect is positive.

Related Evidence

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.