Vitamin A per 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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In sintesi

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 Effetto: None None

Popolazione: None

Review

Diet and nutritional factors in inflammatory bowel diseases.

Dose: None vs: None Outcome: None Effetto: None None

Popolazione: 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 Effetto: None None

Popolazione: 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) Effetto: None None

Popolazione: Pregnant women

Review

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

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

Popolazione: 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 … Effetto: None p<0.05

Popolazione: None

Key Statistics

Studi

5000

Partecipanti

↑

Positive

Grado

Referenced Papers

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

Nutrients 2020 75 citazioni

Diet and nutritional factors in inflammatory bowel diseases. Review

World journal of … 2016 238 citazioni

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

Journal of pediatric … 2014 38 citazioni

Influence of mineral and vitamin supplements on pregnancy outcome. Review

European journal of … 2012 225 citazioni

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

Journal of the … 2010 11 citazioni

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 citazioni

The immune system: a target for functional foods? Review

The British journal … 2002 358 citazioni

Chemoprevention of bladder cancer. Review

The Urologic clinics … 2002 20 citazioni

Dosage & Usage

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

Dosaggi di uso comune

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

Limite massimo: 3,000 mcg RAE/day (preformed vitamin A)

Dosaggi studiati nella ricerca

Dosaggio	Durata	Effetto	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	--

Momento migliore per l'assunzione: With meals containing fat

Safety & Side Effects

Effetti collaterali segnalati

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

Interazioni note

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

Livello di assunzione massimo tollerabile: 3,000 mcg RAE/day (preformed vitamin A)

Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.

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

Altri ingredienti per Pediatric Immune Support

Iron C

Verdetto rapido

Evidence Strength72%

High confidence

Analisi degli studi

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

Confronta le alternative

Scoprite come si confrontano altri ingredienti per questa condizione.

Visualizza tutti gli ingredienti per Pediatric Immune Support

Approfondimenti

Avvertenza FDA: Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.