SFI

SFI Labs N-Acetyl-L-Cysteine

Powerful Detoxification & Respiratory Support

$23.99
Size

NAC (N-Acetyl- L-Cysteine), 500 mg *

*Daily Value (DV) not established.

Serving Size: 1 Capsule

Servings Per Container: 90

Other Ingredients: Vegetarian Capsule, Microcrystalline Cellulose (plant fiber), Ascorbyl Palmitate, Silicon Dioxide

DOES NOT CONTAIN: Yeast, wheat, gluten, soy, shellfish, tree nuts, peanuts, animal or dairy products, artificial colors, sweeteners or preservatives.

 

SFI N-Acetyl-L-Cysteine (NAC) provides a bioavailable form of this clinically studied amino acid that supports healthy respiratory and immune system function.* NAC helps maintain optimal glutathione levels—an essential antioxidant that contributes to cellular protection and detoxification.*

DOES NOT CONTAIN: Yeast, wheat, gluten, soy, shellfish, tree nuts, peanuts, animal or dairy products, artificial colors, sweeteners or preservatives.

 
SFI Labs N-Acetyl-L-Cysteine
$23.99

Support Your Respiratory Wellness & Antioxidant Defense

  • Supports Respiratory Wellness – Helps maintain healthy airway function and overall respiratory comfort.*
  • Supports Glutathione Levels – Helps maintain the body’s natural antioxidant defense system.*
  • Encourages Detoxification Pathways – Promotes healthy liver and cellular processes involved in natural detoxification.*
  • Supports Immune System Health – Helps maintain a balanced and healthy immune response.*
  • Clinically Studied & Practitioner-Trusted – Features NAC, a well-researched amino acid that supports antioxidant and detoxification pathways.*

How It Works

  • Supports Respiratory Comfort – Helps maintain healthy mucus consistency and overall airway function.*
  • Supports Glutathione Levels – Provides precursor support for the body’s natural antioxidant defense system.*
  • Encourages Natural Detoxification Processes – Helps maintain healthy liver and cellular function involved in detoxification.*

"I've used NAC for immune and detox support, and this one is top quality. It’s become a must-have in my wellness routine!" – James T.

Frequently asked question

NAC is an amino acid derivative that supports respiratory function, detoxification, and glutathione production.

NAC is generally well-tolerated, but some users may experience mild digestive discomfort. Consult with a healthcare professional for personalized guidance.

NAC acts as a mucolytic, helping thin and clear mucus while protecting lung tissue.

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