N-Acetyl Cysteine ： Post-Concussion Cognitive Symptoms

NAC demonstrated neuroprotective effects in traumatic brain injury models. MRI studies showed improvements in resting-state brain connectivity in mild TBI patients receiving NAC treatment.

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結論

NAC demonstrated neuroprotective effects in traumatic brain injury models. MRI studies showed improvements in resting-state brain connectivity in mild TBI patients receiving NAC treatment.

Key Study Findings

Randomized Controlled Trial n=50 Open-label

Changes in Resting-State Functional Connectivity and Cognitive-Affective Symptoms in Patients With Post-Concussion Syndrome Treated With …

Dose: None vs: waitlist control (standard of care) Outcome: resting-state functional connectivity and cognitive-affective symptoms 効果: None p<0.05

対象集団: patients with chronic post-concussion syndrome for at least 3 months

Review

Mitigating Traumatic Brain Injury: A Narrative Review of Supplementation and Dietary Protocols.

Dose: None vs: None Outcome: TBI prevention and neuroprotection 効果: None None

対象集団: Individuals with or at risk for TBI

Controlled Clinical Trial n=65 4 weeks Open-label

N -acetylcysteine is associated with reduction of postconcussive symptoms in elderly patients: A pilot study.

Dose: None vs: Standard care alone Outcome: RPQ postconcussion symptom severity 効果: RPQ day 7: 2 vs 10; day 30: 0 vs 4 p=0.004 (day 7); p=0.021 (day

対象集団: Elderly patients (>=60y) with mild TBI

Review

Akathisia and Restless Legs Syndrome: Solving the Dopaminergic Paradox.

Dose: None vs: None Outcome: None 効果: None None

対象集団: restless legs syndrome

Review

Supraphysiologic-dose anabolic-androgenic steroid use: A risk factor for dementia?

Dose: None vs: None Outcome: None 効果: None None

対象集団: None

Review

Dietary Supplements for Health, Adaptation, and Recovery in Athletes.

Dose: None vs: None Outcome: Health, adaptation, and recovery in athletes 効果: None None

対象集団: Athletes

Key Statistics

研究数

400

参加者数

↑

Positive

グレード

Referenced Papers

Changes in Resting-State Functional Connectivity and Cognitive-Affective Symptoms in Patients With Post-Concussion Syndrome Treated With N-Acetyl Cysteine. RCT

The Journal of … None

Mitigating Traumatic Brain Injury: A Narrative Review of Supplementation and Dietary Protocols. Review

Nutrients 2024 22 件の引用

N -acetylcysteine is associated with reduction of postconcussive symptoms in elderly patients: A pilot study. Other

The journal of … 2022 7 件の引用

Akathisia and Restless Legs Syndrome: Solving the Dopaminergic Paradox. Review

Sleep medicine clinics 2021 14 件の引用

Supraphysiologic-dose anabolic-androgenic steroid use: A risk factor for dementia? Review

Neuroscience and biobehavioral … 2019 45 件の引用

Dietary Supplements for Health, Adaptation, and Recovery in Athletes. Review

International journal of … 2018 165 件の引用

N-acetyl-l-cysteine attenuates oxidative damage and neurodegeneration in rat brain during aging. Other

Canadian journal of … 2018 37 件の引用

Restless legs syndrome. Review

Handbook of clinical … 2011 8 件の引用

Valerian extract and valerenic acid are partial agonists of the 5-HT5a receptor in vitro. Other

Brain research. Molecular … 2005 160 件の引用

Dosage & Usage

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

一般的な使用量

general:: 600-1,800 mg/day
neuroprotection:: 1,200-2,400 mg/day

上限量： Not established as supplement; 6,000+ mg/day used clinically (IV)

研究で検討された用量

用量	期間	効果	N
None	--	Positive	50
None	--	Positive	--
None	4 weeks	Positive	65
None	--	Mixed	--
None	--	Positive	--
None	--	Mixed	--
NAC 100 mg/kg body weight orally daily for 14 days	2 weeks	Positive	24
None	--	Mixed	--

推奨摂取タイミング： On empty stomach; split into 2-3 doses; supplement zinc if using long-term

Safety & Side Effects

報告されている副作用

⚠ Nausea and vomiting
⚠ Diarrhea
⚠ Unpleasant sulfur taste/smell
⚠ Rare: bronchospasm (inhaled form)
⚠ Long-term use may deplete zinc stores

既知の相互作用

● Nitroglycerin (may enhance hypotensive effects)
● Activated charcoal (reduces NAC absorption)
● Anticoagulants (theoretical interaction)

耐容上限摂取量： Not established as supplement; 6,000+ mg/day used clinically (IV)

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 N-Acetyl Cysteine help with Post-Concussion Cognitive Symptoms?

Based on 6 studies with 400 participants, there is moderate evidence from clinical studies that N-Acetyl Cysteine may support Post-Concussion Cognitive Symptoms management. Our evidence grade is B (Good Evidence).

How much N-Acetyl Cysteine should I take for Post-Concussion Cognitive Symptoms?

Studies have used various dosages. A commonly studied range is 600-1,800 mg/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of N-Acetyl Cysteine?

Reported side effects may include Nausea and vomiting, Diarrhea, Unpleasant sulfur taste/smell, Rare: bronchospasm (inhaled form). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for N-Acetyl Cysteine and Post-Concussion Cognitive Symptoms?

We rate the evidence as Grade B (Good Evidence). This rating is based on 6 peer-reviewed studies with 400 total participants. The overall direction of effect is positive.

Related Evidence

N-Acetyl Cysteine 他の症状・状態について

Oxidative Stress & Neuroinflammation B Depression-Related Cognitive Dysfunction C

総合評価

NAC demonstrated neuroprotective effects in traumatic brain injury models. MRI studies showed improvements in resting-state brain connectivity in mild TBI patients receiving NAC treatment.

Evidence Strength72%

High confidence

研究の内訳

RCT (1)Meta (0)Other (5)

代替成分との比較

この症状に対する他の成分との比較をご覧ください。

に関するすべての成分を見る： Post-Concussion Cognitive Symptoms

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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。