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Vitamin C Exercise-Induced Immune Suppression

B

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.

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B

結論

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

Review
Micronutrient Deficiencies in Pediatric IBD: How Often, Why, and What to Do?
Dose: None vs: None Outcome: Micronutrient deficiency management in pediatric IBD 効果: None None

対象集団: Children with inflammatory bowel disease (review)

Randomized Controlled Trial
Zinc and L-Ascorbic Acid Dietary Supplementation Affected Antioxidant Status, Heat Shock Protein 70, and Some …
Dose: None vs: Basal diet without supplementation Outcome: Antioxidant status, hematology, growth in broilers 効果: None None

対象集団: Broiler chickens

Review n=26282 988 weeks
Inadequacy of Immune Health Nutrients: Intakes in US Adults, the 2005-2016 NHANES.
Dose: 45% vs: None Outcome: None 効果: None None

対象集団: None

Review
Role of vitamins in gastrointestinal diseases.
Dose: None vs: None Outcome: None 効果: None None

対象集団: men

Review
Influence of mineral and vitamin supplements on pregnancy outcome.
Dose: None vs: None Outcome: Pregnancy outcome (birth weight, preeclampsia, NTD) 効果: None None

対象集団: Pregnant women

Review
The immune system: a target for functional foods?
Dose: Probiotics, prebiotics, fatty acids, vitamins vs: None Outcome: Immune system modulation by functional foods 効果: None None

対象集団: General population

Key Statistics

5

研究数

600

参加者数

Positive

B

グレード

Referenced Papers

Dosage & Usage

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

一般的な使用量

general:
75-90 mg/day
acuteillness:
1,000-2,000 mg/day
immunesupport:
200-1,000 mg/day

上限量: 2,000 mg/day

研究で検討された用量

用量 期間 効果 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 --

推奨摂取タイミング: With meals; divide doses >500 mg for better absorption

Safety & Side Effects

報告されている副作用

  • 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

既知の相互作用

  • 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)

耐容上限摂取量: 2,000 mg/day

サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。

Frequently Asked Questions

Does Vitamin C help with Exercise-Induced Immune Suppression?
Based on 5 studies with 600 participants, there is moderate evidence from clinical studies that Vitamin C may support Exercise-Induced Immune Suppression management. Our evidence grade is B (Good Evidence).
How much Vitamin C should I take for Exercise-Induced Immune Suppression?
Studies have used various dosages. A commonly studied range is 75-90 mg/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Vitamin C?
Reported side effects may include 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. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Vitamin C and Exercise-Induced Immune Suppression?
We rate the evidence as Grade B (Good Evidence). This rating is based on 5 peer-reviewed studies with 600 total participants. The overall direction of effect is positive.

Related Evidence

に関する他の成分: Exercise-Induced Immune Suppression

Vitamin C 他の症状・状態について

FDAに関する免責事項: これらの記述は米国食品医薬品局(FDA)による評価を受けていません。本ウェブサイトの製品および情報は、疾病の診断、治療、治癒、または予防を目的としたものではありません。表示されているエビデンスグレードは、公開された査読済み研究の分析に基づいており、医療上の助言を構成するものではありません。サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。