Vitamin C para Exercise-Induced Immune Suppression
B Evidências Pelo menos um ensaio aleatorizado apoia esta conclusão, com resultados maioritariamente consistentes.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.
Conclusão
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
População: Children with inflammatory bowel disease (review)
População: Broiler chickens
População: None
População: men
População: Pregnant women
População: General population
Key Statistics
5
Estudos
600
Participantes
Positive
Nota
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosagens Comumente Utilizadas
- general:
- 75-90 mg/day
- acuteillness:
- 1,000-2,000 mg/day
- immunesupport:
- 200-1,000 mg/day
Limite superior: 2,000 mg/day
Dosagens Estudadas em Pesquisas
| Dosagem | Duração | Efeito | N |
|---|---|---|---|
| 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 | -- |
Melhor horário: With meals; divide doses >500 mg for better absorption
Safety & Side Effects
Efeitos Colaterais Relatados
- ⚠ 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
Interações Conhecidas
- ● 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)
Ingestão máxima tolerável: 2,000 mg/day
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 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
Outros ingredientes para Exercise-Induced Immune Suppression
Vitamin C para outras condições
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
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.