THORNE NAC N‑Acetylcysteine 500 mg Capsules, 180-Count — Antioxidant Support & Respiratory Wellness

THORNE NAC is a high-potency N-acetylcysteine (500 mg) dietary supplement in a 180-capsule supply designed to support antioxidant systems and respiratory wellness as part of a daily regimen.

This formulation from THORNE delivers stabilized N-acetylcysteine (NAC) at 500 mg per capsule in a large 180-count bottle. NAC is an amino-acid derivative commonly used in supplement routines for its role in maintaining healthy antioxidant pathways and supporting normal mucus clearance. THORNE provides a third-party tested product, made to meet label claims and industry safety standards, and is produced by a brand with widespread clinical and professional recognition.

How does THORNE NAC support antioxidant balance?

NAC supplies cysteine, a precursor to the body's primary antioxidant systems, helping maintain normal oxidative balance when used alongside a healthy diet. It supports cellular antioxidant mechanisms without making specific medical claims.

• Each capsule contains 500 mg of N-acetylcysteine, a bioavailable cysteine source.
• Helps replenish cysteine pools that contribute to antioxidant pathways.
• Suitable for routine supplementation as part of antioxidant-focused regimens.

Will this help with mucus or respiratory congestion?

NAC has properties that can help loosen and thin mucus, making it easier for the body to clear airway secretions during routine respiratory maintenance. Use as directed and consult a healthcare practitioner for questions about specific health concerns.

• Formulated to assist normal mucus consistency and clearance.
• 500 mg dosing offers a substantial single-capsule amount for daily use.
• 180 capsules provide an extended supply for ongoing use.

Is the product quality verified and safe?

THORNE NAC is third-party tested to confirm the capsule contents match label claims and to screen for contaminants. THORNE is also a widely recommended clinical brand with professional endorsements in sports and healthcare settings.

• Third-party certification verifies ingredient identity and purity.
• Manufactured and labeled by a brand with clinical practice recognition.
• Comes in opaque bottle packaging to protect ingredient integrity.

How should I incorporate these capsules into my routine?

Follow the dosing instructions on the label or directions from your healthcare provider. NAC can be taken with food or water as part of a daily supplement schedule.

• 500 mg per capsule — take the amount recommended on the label.
• 180-count bottle supports several months of consistent use at typical doses.
• Store in a cool, dry place away from direct sunlight to preserve potency.

Who is this for: THORNE NAC 500 mg is intended for adults seeking a reputable, high-strength NAC supplement to support antioxidant pathways and routine respiratory comfort. It suits people looking for a professionally recommended, third-party certified product in a convenient 180-capsule supply. If you have medical conditions, are pregnant, nursing, or taking prescription medications, consult your healthcare provider before starting any new supplement.

Ingredients

One Capsule Contains: N-Acetyl-L-Cysteine 500 mg. Other Ingredients: Hypromellose (derived from cellulose) capsule, Leucine, Silicon Dioxide.