Vitamin A para Pediatric Immune Support
B Evidências Pelo menos um ensaio aleatorizado apoia esta conclusão, com resultados maioritariamente consistentes.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.
Conclusão
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.
Key Study Findings
População: None
População: IBD patients (diet and nutrition)
População: Patients with inflammatory bowel disease
População: Pregnant women
População: children
População: None
Key Statistics
10
Estudos
5000
Participantes
Positive
Nota
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosagens Comumente Utilizadas
- general:
- 700-900 mcg RAE/day
- immunesupport:
- 900 mcg RAE/day
Limite superior: 3,000 mcg RAE/day (preformed vitamin A)
Dosagens Estudadas em Pesquisas
| Dosagem | Duração | Efeito | 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 | -- |
Melhor horário: With meals containing fat
Safety & Side Effects
Efeitos Colaterais Relatados
- ⚠ Hepatotoxicity at chronic high doses
- ⚠ Birth defects (teratogenic at high doses during pregnancy)
- ⚠ Nausea and headache
- ⚠ Bone density reduction with long-term excess
Interações Conhecidas
- ● Retinoid medications (additive toxicity risk)
- ● Orlistat (reduces absorption of fat-soluble vitamins)
- ● Alcohol (increases hepatotoxicity risk)
- ● Tetracycline antibiotics (increased intracranial pressure risk)
Ingestão máxima tolerável: 3,000 mcg RAE/day (preformed vitamin A)
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 A help with Pediatric Immune Support?
How much Vitamin A should I take for Pediatric Immune Support?
Are there side effects of Vitamin A?
How strong is the evidence for Vitamin A and Pediatric Immune Support?
Related Evidence
Outros ingredientes para Pediatric Immune Support
References
- [1] Carroll A Reider et al.. Nutrients. 2020. Inadequacy of Immune Health Nutrients: Intakes in US Adults, the 2005-2016 NHANES. doi:10.3390/nu12061735 PubMed
- [2] Danuta Owczarek et al.. World J Gastroenterol. 2016. Diet and nutritional factors in inflammatory bowel diseases. doi:10.3748/wjg.v22.i3.895 PubMed
- [3] Neha R Santucci et al.. J Pediatr Gastroenterol Nutr. 2014. Vitamin and zinc status pretreatment and posttreatment in patients with inflammatory bowel disease. doi:10.1097/MPG.0000000000000477 PubMed
- [4] 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
- [5] Linda A Linday. J Am Coll Nutr. 2010. Cod liver oil, young children, and upper respiratory tract infections. doi:10.1080/07315724.2010.10719894 PubMed
- [6] J L Rosado et al.. Eur J Clin Nutr. 2009. Interaction of zinc or vitamin A supplementation and specific parasite infections on Mexican infants' growth: a randomized clinical trial. doi:10.1038/ejcn.2009.53 PubMed
- [7] Philip C Calder et al.. Br J Nutr. 2002. The immune system: a target for functional foods? doi:10.1079/BJN2002682 PubMed
- [8] Ashish M Kamat et al.. Urol Clin North Am. 2002. Chemoprevention of bladder cancer. doi:10.1016/s0094-0143(02)00022-8 PubMed
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.