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Amino acids🔬 78% confidence · 4000 studies

NAC (N-Acetylcysteine)

Precursor of glutathione, the body's most potent antioxidant. Supports liver function, respiratory health, and detoxification.

🌅 Morning🍽️ Empty stomach👤 +18 years

What is it for?

💡 Absorption: Take on an empty stomach for better absorption. Can be combined with vitamin C to enhance antioxidant effect.

⚠️ Caution: May cause nausea at high doses. Caution in asthmatics (may cause bronchospasm). Do not combine with nitroglycerin.

Recommended doses

Antioxidant600 mg

Range: 600 – 900 mg

Combine with vitamin C for greater effect

Liver health600 mg

Range: 600 – 1200 mg

Glutathione precursor. Take on an empty stomach

Respiratory health1200 mg

Range: 600 – 1800 mg

Split into 2-3 doses. Natural mucolytic

Interactions with other supplements

✅
Vitamin CSynergy

Both support glutathione production. Synergistic antioxidant effect.

⚕️ Medication interactions

🚫nitroglicerinaMild

NAC enhances the vasodilatory effect of nitrates. Risk of severe hypotension.

→ No combinar.

🏥 Contraindications

⚠️ asma

NAC puede provocar broncoespasmo en algunos pacientes asmáticos, especialmente por vía inhalada pero también oral en casos sensibles.

→ Empezar con dosis bajas. Tener broncodilatador disponible. Suspender si empeoran los síntomas respiratorios. Consultar neumólogo.

📚 Scientific references (3)▼

Revision sobre los impactos de NAC en salud humana: antioxidante, mucolitico, hepatoprotector, neuroprotector.

Revision de usos clinicos: hepatoproteccion, salud respiratoria, psiquiatria, fertilidad. Perfil de seguridad excelente.

Revision comprehensiva. NAC como precursor de glutation es efectivo en multiples condiciones con estres oxidativo.

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Product comparator (7)

Sorted by cost per dose, from cheapest to most expensive

💰 Best price per dose
NAC 300mg - 240 Capsulas Veganas (8 Meses)
NAC 300mg - 240 Capsules Vegan (8 Months)

HIVITAL ES

14.99€0.06€/dose~1.87€/month
💊 300 mg📦 240 servings★ 4.4
Amazon🚚 Free with Prime
NAC N-Acetilcisteína 600mg - 180 Cápsulas
NAC N-Acetylcysteine 600mg - 180 Capsules

WeightWorld GB

18.99€0.08€/dose~2.28€/month
💊 600 mg📦 250 servings★ 4.7
iHerb🚚 +4.99€ shipping
N-Acetil L-Cisteína 300mg - 240 Cápsulas Veganas
N-Acetil L-Cisteína 300mg - 240 Cápsulas Veganas

HIVITAL ES

18.27€0.08€/dose~2.28€/month
💊 300mg📦 240 servings
Hivital🚚 Free shipping
NAC 800mg - 240 Capsulas (8 Meses)
NAC 800mg - 240 Capsules (8 Months)

vit4ever DE

21.99€0.09€/dose~2.75€/month
💊 800 mg📦 240 servings★ 4.5
Amazon🚚 Free with Prime
NAC 600mg - 150 Capsulas Veganas (5 Meses)
NAC 600mg - 150 Capsules Vegan (5 Months)

Nutravita GB

17.99€0.12€/dose~3.60€/month
💊 600 mg📦 150 servings★ 4.5
Amazon🚚 Free with Prime
Vegavero NAC 600mg Puro - 120 Cápsulas Veganas
Vegavero NAC 600mg Puro - 120 Capsules Vegan

Vegavero DE

20.00€0.17€/dose~5.00€/month
💊 1 cápsula diaria (600mg)📦 120 servings★ 4.5
Amazon🚚 Free with Prime
NOW Foods NAC 600mg - 100 Cápsulas Veganas
NOW Foods NAC 600mg - 100 Capsules Vegan

NOW Foods US

30.21€0.30€/dose~9.06€/month
💊 1 cápsula diaria (600mg)📦 100 servings★ 4.7
Amazon🚚 Free with Prime

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