Clinically-Studied Formula
 4.87/5 - 1055 Reviews

NAC N-Acetyl-L-Cysteine for Daily Antioxidant Support (30 Capsules)

NAC N-Acetyl-L-Cysteine for Daily Antioxidant Support (30 Capsules)

check_circle Dissolves Mucus at the Molecular Level

check_circle Restores Glutathione — Your Lungs' Natural Defense

check_circle Hospital-Grade Compound Used Since 1963

check_circle Clinically Shown to Reduce Flare-Ups

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How should I take this NAC supplement?›

Take 1 capsule daily with water, preferably with a meal. For enhanced results, some people take one in the morning and one in the evening.

Consistency is key — NAC works best when taken daily over several weeks.

What makes NAC different from Mucinex or inhalers?

Mucinex just adds water to thin your mucus — the sticky structure stays intact. Inhalers force airways open temporarily but don't address the mucus or inflammation.

NAC works differently. It chemically breaks the bonds holding mucus together, dissolving it at the molecular level. Plus, it restores glutathione — your lungs' natural defense system.

How long until I notice results?

Week 1-2: Many people notice more productive coughs as stuck mucus finally starts moving. This is a good sign.

Week 3-4: Morning clearing typically gets easier. Breathing feels less heavy.

Month 2-3: Glutathione levels rebuild. Many report fewer flare-ups and more energy overall.

Is NAC safe to use long-term?

Yes. NAC has been used in hospitals for over 60 years and is on the WHO's list of Essential Medicines. Clinical trials like PANTHEON studied patients taking NAC daily for a full year with no significant side effects.

It's also the FDA-approved antidote for Tylenol overdose — that's how well-established its safety profile is.

Can I take NAC with my other medications?›

NAC has been studied alongside standard COPD treatments (including inhalers and bronchodilators) with no conflicts reported.

That said, we always recommend checking with your doctor before adding any supplement — especially if you're on multiple medications.

Shipping + Guarantee›

Shipping: Free shipping on orders over $50. Orders ship within 10-12 business days.

Guarantee: Try GARX NAC risk-free for 60 days. If you don't notice easier breathing and less congestion, contact us for a full refund — no questions asked.

NAC N-Acetyl-L-Cysteine for Daily Antioxidant Support (30 Capsules)

NAC N-Acetyl-L-Cysteine for Daily Antioxidant Support (30 Capsules)

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Tried & Trusted by 100,000 Customers

    True Mucolytic - Dissolves, Doesn't Just Thin

    1,055+ Verified Reviews

    Restores Glutathione Your Lungs Need

    FDA-Approved for Liver Protection

    60+ Years of Hospital Use

    WHO Essential Medicine

    22% Fewer Flare-Ups (PANTHEON Trial)

    60-Day Money-Back Guarantee|

    True Mucolytic - Dissolves, Doesn't Just Thin

    1,055+ Verified Reviews

    Restores Glutathione Your Lungs Need

    FDA-Approved for Liver Protection

    60+ Years of Hospital Use

    WHO Essential Medicine

    22% Fewer Flare-Ups (PANTHEON Trial)

    60-Day Money-Back Guarantee|

    • ★★★★★

      “Easy addition to my daily routine.

      I’ve been taking this NAC consistently for a few weeks now and love how simple it is to add into my routine. No stomach issues, no weird aftertaste. Feels like a solid, high-quality supplement.

      Bria S. - Age 38

    • ★★★★★

      “Noticeable difference after a couple weeks.”

      I didn’t expect anything dramatic, but after about two weeks I felt more balanced overall. I appreciate how clean the formula is and that there are no unnecessary ingredients.

      Michael A. - Age 45

    • ★★★★★

      “Clean, trustworthy supplement.”

      I’ve tried NAC from other brands before, and this one stands out for how gentle it feels. Capsules are easy to swallow and the ingredient transparency gives me confidence.

      Jenna L. - Age 52

       
       

      How NAC Works?

      • Dissolves Mucus

        NAC breaks the disulfide bonds holding thick mucus together — dissolving it at the molecular level, not just thinning it.

      • Restores Defenses

        Your lungs need glutathione to protect and repair themselves. NAC is the only compound that restores it.

      • Reduces Flare-Ups

        Clinical trials show 22% fewer COPD exacerbations with daily NAC use over 12 months.
         
         

        Real Results From Real COPD Patients

        • Breathe Easier Within 30 Days

          reporting less morning congestion and deeper breaths

        • COPD Flare-Ups (PANTHEON Trial)

          in a 1-year clinical study of 1,006 patients

        • Would Recommend to a Friend

          with COPD, bronchitis, or chronic mucus issues

          True Mucolytic - Dissolves, Doesn't Just Thin

          1,055+ Verified Reviews

          Restores Glutathione Your Lungs Need

          FDA-Approved for Liver Protection

          60+ Years of Hospital Use

          WHO Essential Medicine

          22% Fewer Flare-Ups (PANTHEON Trial)

          60-Day Money-Back Guarantee|

          True Mucolytic - Dissolves, Doesn't Just Thin

          1,055+ Verified Reviews

          Restores Glutathione Your Lungs Need

          FDA-Approved for Liver Protection

          60+ Years of Hospital Use

          WHO Essential Medicine

          22% Fewer Flare-Ups (PANTHEON Trial)

          60-Day Money-Back Guarantee|

          60
          DAY
          60-Day Breathe-Easy Guarantee
          Try GARX NAC for 60 days. If you don't notice easier breathing, less morning congestion, or fewer flare-ups — we'll refund every penny.
          Full refund. No questions. No hassle.