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"The Multifaceted Therapeutic Role of N-Acetylcysteine (NAC) in Disorders Characterized by Oxidative Stress." Curr Neuropharmacol

Treatment duration critically influences post-discontinuation outcomes with 6-12 month courses creating durable structural improvements supporting ongoing enhanced collagen synthesis without continuous peptide presence, while 2-3 month treatments produce temporary stimulation requiring continuous or cyclical application for maintaining optimal results

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It is studied primarily for its anti inflammatory and immune modulating properties

doi: 10.1177/39.9.1918936

Toxicity is rare and dependent on the route of NAC administration and dosage [1]