N-Acetyl Cysteine para 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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Conclusão

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 Efeito: None p<0.05

População: 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 Efeito: None None

População: 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 Efeito: RPQ day 7: 2 vs 10; day 30: 0 vs 4 p=0.004 (day 7); p=0.021 (day

População: Elderly patients (>=60y) with mild TBI

Review

Akathisia and Restless Legs Syndrome: Solving the Dopaminergic Paradox.

Dose: None vs: None Outcome: None Efeito: None None

População: restless legs syndrome

Review

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

Dose: None vs: None Outcome: None Efeito: None None

População: None

Review

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

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

População: Athletes

Key Statistics

Estudos

400

Participantes

↑

Positive

Nota

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 citações

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

The journal of … 2022 7 citações

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

Sleep medicine clinics 2021 14 citações

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

Neuroscience and biobehavioral … 2019 45 citações

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

International journal of … 2018 165 citações

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

Canadian journal of … 2018 37 citações

Restless legs syndrome. Review

Handbook of clinical … 2011 8 citações

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

Brain research. Molecular … 2005 160 citações

Dosage & Usage

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

Dosagens Comumente Utilizadas

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

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

Dosagens Estudadas em Pesquisas

Dosagem	Duração	Efeito	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	--

Melhor horário: On empty stomach; split into 2-3 doses; supplement zinc if using long-term

Safety & Side Effects

Efeitos Colaterais Relatados

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

Interações Conhecidas

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

Ingestão máxima tolerável: Not established as supplement; 6,000+ mg/day used clinically (IV)

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 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 para outras condições

Oxidative Stress & Neuroinflammation B Depression-Related Cognitive Dysfunction C

Veredito Rápido

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

Detalhamento dos Estudos

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

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Saiba Mais

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.