Vitamin C لـ Exercise-Induced Immune Suppression
B الأدلة تدعم ذلك تجربة عشوائية واحدة على الأقل، مع نتائج متسقة في معظمها.Research suggests regular vitamin C supplementation may reduce post-exercise URTI incidence in athletes, military personnel, and individuals under extreme physical stress. Benefits appear more pronounced in those exposed to severe physical stress.
الخلاصة
Research suggests regular vitamin C supplementation may reduce post-exercise URTI incidence in athletes, military personnel, and individuals under extreme physical stress. Benefits appear more pronounced in those exposed to severe physical stress.
Key Study Findings
المجتمع المدروس: Children with inflammatory bowel disease (review)
المجتمع المدروس: Broiler chickens
المجتمع المدروس: None
المجتمع المدروس: men
المجتمع المدروس: Pregnant women
المجتمع المدروس: General population
Key Statistics
5
الدراسات
600
المشاركون
Positive
التقييم
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
الجرعات الشائعة
- general:
- 75-90 mg/day
- acuteillness:
- 1,000-2,000 mg/day
- immunesupport:
- 200-1,000 mg/day
الحد الأعلى: 2,000 mg/day
الجرعات المدروسة في الأبحاث
| الجرعة | المدة | التأثير | ن |
|---|---|---|---|
| None | -- | Neutral | -- |
| None | -- | Positive | -- |
| 45% | 988 weeks | Positive | 26282 |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| Probiotics, prebiotics, fatty acids, vitamins | -- | Positive | -- |
| Vitamin C, E, glutamine, zinc | -- | Positive | -- |
| None | 2.0 weeks | Mixed | -- |
أفضل وقت للتناول: With meals; divide doses >500 mg for better absorption
Safety & Side Effects
الآثار الجانبية المُبلّغ عنها
- ⚠ Gastrointestinal distress (nausea, diarrhea, cramps) at high doses
- ⚠ Increased risk of kidney stones in susceptible individuals
- ⚠ Interference with certain lab tests (glucose, occult blood)
- ⚠ Iron overload risk in hemochromatosis patients
التفاعلات المعروفة
- ● Enhances non-heme iron absorption (beneficial or harmful depending on iron status)
- ● High doses may reduce effectiveness of certain chemotherapy agents
- ● May interfere with anticoagulant therapy (warfarin) at high doses
- ● Aluminum-containing antacids (increased aluminum absorption)
الحد الأقصى المسموح به: 2,000 mg/day
استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.
Frequently Asked Questions
Does Vitamin C help with Exercise-Induced Immune Suppression?
How much Vitamin C should I take for Exercise-Induced Immune Suppression?
Are there side effects of Vitamin C?
How strong is the evidence for Vitamin C and Exercise-Induced Immune Suppression?
Related Evidence
مكونات أخرى لـ Exercise-Induced Immune Suppression
Vitamin C لحالات أخرى
References
- [1] Tiziana Galeazzi et al.. Nutrients. 2025. Micronutrient Deficiencies in Pediatric IBD: How Often, Why, and What to Do? doi:10.3390/nu17091425 PubMed
- [2] Ahmed Gouda et al.. Biol Trace Elem Res. 2022. Zinc and L-Ascorbic Acid Dietary Supplementation Affected Antioxidant Status, Heat Shock Protein 70, and Some Immunoglobulins in Japanese Quail Under … doi:10.1007/s12011-021-02884-y PubMed
- [3] 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
- [4] Omar A Masri et al.. World J Gastroenterol. 2015. Role of vitamins in gastrointestinal diseases. doi:10.3748/wjg.v21.i17.5191 PubMed
- [5] 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
- [6] Philip C Calder et al.. Br J Nutr. 2002. The immune system: a target for functional foods? doi:10.1079/BJN2002682 PubMed
- [7] D C Nieman. Can J Appl Physiol. 2001. Exercise immunology: nutritional countermeasures. doi:10.1139/h2001-041 PubMed
- [8] D C Nieman. Med Sci Sports Exerc. 2000. Is infection risk linked to exercise workload? doi:10.1097/00005768-200007001-00005 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.