Vitamin A para Pediatric Immune Support

Q: Does Vitamin A help with Pediatric Immune Support?

Based on 10 studies with 5,000 participants, there is moderate evidence from clinical studies that Vitamin A may support Pediatric Immune Support management. Our evidence grade is B (Good Evidence).

Q: How much Vitamin A should I take for Pediatric Immune Support?

Studies have used various dosages. A commonly studied range is 700-900 mcg RAE/day. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Vitamin A?

Reported side effects may include Hepatotoxicity at chronic high doses, Birth defects (teratogenic at high doses during pregnancy), Nausea and headache, Bone density reduction with long-term excess. 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 A and Pediatric Immune Support?

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.

Vitamin A supplementation in deficient children may significantly reduce morbidity and mortality from measles and diarrheal disease. No nutritional deficiency is more consistently associated with increased infectious disease susceptibility than vitamin A deficiency.

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Conclusión

Key Study Findings

Review n=26282 988 weeks

Inadequacy of Immune Health Nutrients: Intakes in US Adults, the 2005-2016 NHANES.

Dose: 45% vs: None Outcome: None Efecto: None None

Población: None

Review

Diet and nutritional factors in inflammatory bowel diseases.

Dose: None vs: None Outcome: None Efecto: None None

Población: IBD patients (diet and nutrition)

Observational Study n=61 260 weeks

Vitamin and zinc status pretreatment and posttreatment in patients with inflammatory bowel disease.

Dose: None vs: None Outcome: Vitamin and zinc status in IBD patients Efecto: None None

Población: Patients with inflammatory bowel disease

Review

Influence of mineral and vitamin supplements on pregnancy outcome.

Dose: None vs: None Outcome: Pregnancy outcome (birth weight, preeclampsia, NTD) Efecto: None None

Población: Pregnant women

Review

Cod liver oil, young children, and upper respiratory tract infections.

Dose: None vs: None Outcome: vitamin D levels Efecto: None None

Población: children

Randomized Controlled Trial n=584 52 weeks Double-blind

Interaction of zinc or vitamin A supplementation and specific parasite infections on Mexican infants' growth: …

Dose: Zinc 20mg/day; VitA 20000-45000 IU every 2 months vs: Placebo Outcome: Interaction of zinc or vitamin A supplementation and … Efecto: None p<0.05

Población: None

Key Statistics

Estudios

5000

Participantes

↑

Positive

Calificación

Referenced Papers

Inadequacy of Immune Health Nutrients: Intakes in US Adults, the 2005-2016 NHANES. Review

Nutrients 2020 75 citas

Diet and nutritional factors in inflammatory bowel diseases. Review

World journal of … 2016 238 citas

Vitamin and zinc status pretreatment and posttreatment in patients with inflammatory bowel disease. Other

Journal of pediatric … 2014 38 citas

Influence of mineral and vitamin supplements on pregnancy outcome. Review

European journal of … 2012 225 citas

Cod liver oil, young children, and upper respiratory tract infections. Review

Journal of the … 2010 11 citas

Interaction of zinc or vitamin A supplementation and specific parasite infections on Mexican infants' growth: a randomized clinical trial. RCT

European journal of … 2009 24 citas

The immune system: a target for functional foods? Review

The British journal … 2002 358 citas

Chemoprevention of bladder cancer. Review

The Urologic clinics … 2002 20 citas

Dosage & Usage

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

Dosificaciones de uso común

general:: 700-900 mcg RAE/day
immunesupport:: 900 mcg RAE/day

Límite superior: 3,000 mcg RAE/day (preformed vitamin A)

Dosificaciones estudiadas en la investigación

Dosificación	Duración	Efecto	N
45%	988 weeks	Positive	26282
None	--	Mixed	--
None	260 weeks	Positive	61
None	--	Positive	--
None	--	Mixed	--
Zinc 20mg/day; VitA 20000-45000 IU every 2 months	52 weeks	Mixed	584
Probiotics, prebiotics, fatty acids, vitamins	--	Positive	--
Various nutrients (selenium, vitamins, green tea)	--	Positive	--

Mejor momento para tomar: With meals containing fat

Safety & Side Effects

Efectos secundarios reportados

⚠ Hepatotoxicity at chronic high doses
⚠ Birth defects (teratogenic at high doses during pregnancy)
⚠ Nausea and headache
⚠ Bone density reduction with long-term excess

Interacciones conocidas

● Retinoid medications (additive toxicity risk)
● Orlistat (reduces absorption of fat-soluble vitamins)
● Alcohol (increases hepatotoxicity risk)
● Tetracycline antibiotics (increased intracranial pressure risk)

Ingesta máxima tolerable: 3,000 mcg RAE/day (preformed vitamin A)

Consulte siempre a su profesional de salud antes de comenzar cualquier suplemento.Siempre consulte a su profesional de salud antes de comenzar cualquier suplemento.

Frequently Asked Questions

Does Vitamin A help with Pediatric Immune Support?

Based on 10 studies with 5,000 participants, there is moderate evidence from clinical studies that Vitamin A may support Pediatric Immune Support management. Our evidence grade is B (Good Evidence).

How much Vitamin A should I take for Pediatric Immune Support?

Studies have used various dosages. A commonly studied range is 700-900 mcg RAE/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Vitamin A?

Reported side effects may include Hepatotoxicity at chronic high doses, Birth defects (teratogenic at high doses during pregnancy), Nausea and headache, Bone density reduction with long-term excess. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Vitamin A and Pediatric Immune Support?

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

Otros ingredientes para Pediatric Immune Support

Iron C

Veredicto rápido

Evidence Strength72%

High confidence

Desglose de estudios

RCT (1)Meta (0)Other (9)

Comparar alternativas

Vea cómo se comparan otros ingredientes para esta condición.

Ver todos los ingredientes para Pediatric Immune Support

Más información

Aviso legal FDA: Estas declaraciones no han sido evaluadas por la Food and Drug Administration. Los productos y la información en este sitio web no están destinados a diagnosticar, tratar, curar ni prevenir ninguna enfermedad. Las calificaciones de evidencia presentadas se basan en nuestro análisis de investigación publicada revisada por pares y no constituyen consejo médico. Siempre consulte a su profesional de salud antes de comenzar cualquier régimen de suplementos.