Vitamin A لـ 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.

B الأدلة تدعم ذلك تجربة عشوائية واحدة على الأقل، مع نتائج متسقة في معظمها.

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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الخلاصة

Key Study Findings

Review n=26282 988 weeks

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

Dose: 45% مقابل: None Outcome: None التأثير: None None

المجتمع المدروس: None

Review

Diet and nutritional factors in inflammatory bowel diseases.

Dose: None مقابل: None Outcome: None التأثير: None None

المجتمع المدروس: 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 مقابل: None Outcome: Vitamin and zinc status in IBD patients التأثير: None None

المجتمع المدروس: Patients with inflammatory bowel disease

Review

Influence of mineral and vitamin supplements on pregnancy outcome.

Dose: None مقابل: None Outcome: Pregnancy outcome (birth weight, preeclampsia, NTD) التأثير: None None

المجتمع المدروس: Pregnant women

Review

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

Dose: None مقابل: None Outcome: vitamin D levels التأثير: None None

المجتمع المدروس: 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 مقابل: Placebo Outcome: Interaction of zinc or vitamin A supplementation and … التأثير: None p<0.05

المجتمع المدروس: None

Key Statistics

الدراسات

5000

المشاركون

↑

Positive

التقييم

Referenced Papers

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

Nutrients 2020 75 اقتباسات

Diet and nutritional factors in inflammatory bowel diseases. Review

World journal of … 2016 238 اقتباسات

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

Journal of pediatric … 2014 38 اقتباسات

Influence of mineral and vitamin supplements on pregnancy outcome. Review

European journal of … 2012 225 اقتباسات

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

Journal of the … 2010 11 اقتباسات

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 اقتباسات

The immune system: a target for functional foods? Review

The British journal … 2002 358 اقتباسات

Chemoprevention of bladder cancer. Review

The Urologic clinics … 2002 20 اقتباسات

Dosage & Usage

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

الجرعات الشائعة

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

الحد الأعلى: 3,000 mcg RAE/day (preformed vitamin A)

الجرعات المدروسة في الأبحاث

الجرعة	المدة	التأثير	ن
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	--

أفضل وقت للتناول: With meals containing fat

Safety & Side Effects

الآثار الجانبية المُبلّغ عنها

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

التفاعلات المعروفة

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

الحد الأقصى المسموح به: 3,000 mcg RAE/day (preformed vitamin A)

استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.

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.

مكونات أخرى لـ Pediatric Immune Support

Iron C

الخلاصة السريعة

Evidence Strength72%

High confidence

تفصيل الدراسات

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

قارن البدائل

اعرف كيف تقارن المكونات الأخرى لهذه الحالة.

عرض جميع المكونات لـ Pediatric Immune Support

اعرف المزيد

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

إخلاء مسؤولية FDA: لم تُقيَّم هذه البيانات من قبل إدارة الغذاء والدواء (FDA). لا تهدف المنتجات والمعلومات الواردة في هذا الموقع إلى تشخيص أو علاج أو شفاء أو الوقاية من أي مرض. تستند تقييمات الأدلة المعروضة إلى تحليلنا للأبحاث المحكّمة المنشورة ولا تُشكّل نصيحة طبية. استشر مقدم الرعاية الصحية دائماً قبل البدء بأي نظام مكملات.

Vitamin A لـ Pediatric Immune Support

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الخلاصة

Key Study Findings

Key Statistics

Referenced Papers

Dosage & Usage

الجرعات الشائعة

الجرعات المدروسة في الأبحاث

Safety & Side Effects

الآثار الجانبية المُبلّغ عنها

التفاعلات المعروفة

Frequently Asked Questions

Related Evidence

مكونات أخرى لـ Pediatric Immune Support

References