Life Extension

N-Acetyl-L-Cysteine

$15.0060 Capsules

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The Promise

Product identity & composition Pure N‑Acetyl‑L‑Cysteine, 600 mg per capsule

Single‑ingredient NAC capsules formulated for rapid absorption with minimal excipients.*

Active ingredient

N‑acetyl‑L‑cysteine, 600 mg per capsule.

Capsule form

Vegetable cellulose capsule for oral delivery.

Inactive ingredients

Vegetable stearate and silica as excipients; non‑GMO.

Brand & presentation

Life Extension N‑Acetyl‑L‑Cysteine in single‑capsule servings.

Why It Works

Distinct formulation facts Dose, precursor role, and absorption-focused design*

Specific amounts and form support predictable dosing and bioavailability.*

01

Precisely dosed

Each serving delivers a defined 600 mg of N‑acetyl‑L‑cysteine.

02

Glutathione precursor

NAC is provided in the N‑acetyl form, a direct precursor to glutathione as stated.

03

Rapid absorption intent*

Formulated as a single, rapidly absorbed NAC capsule.*

04

Minimal excipient profile

Only vegetable cellulose, stearate, and silica listed to limit additives.

Reviews

Customer Reviews

Your Journey

How to use & safety Clear serving, storage, and consult guidance

Follow labeled directions and safety cautions; consult a healthcare practitioner when indicated.

Serving

Suggested use

Take one (1) capsule one to three times daily, or as recommended by a healthcare practitioner.

Format & handling

Oral capsule

Swallow intact with water; capsule composed of vegetable cellulose.

Storage & safety

Keep away from children

KEEP OUT OF REACH OF CHILDREN. Do not purchase if outer seal is broken or damaged.

Precautions

Consultation and dosage limits

DO NOT EXCEED RECOMMENDED DOSE. Consult your physician if undergoing treatment for a medical condition or if pregnant or lactating.

Product education

N-Acetyl-L-Cysteine (NAC)

Antioxidant protection for immune, respiratory, and liver health.*

N-Acetyl-L-Cysteine (NAC) is a highly bioavailable nutrient that plays a vital role in defending the body against oxidative stress, supporting healthy respiratory function, liver detoxification, and a resilient immune system. As a direct precursor to glutathione, NAC helps replenish this crucial antioxidant throughout the body.*

  • Promotes bronchial and respiratory health*
  • Encourages liver function and detoxification
  • Boosts antioxidant protection by increasing glutathione levels*

Why NAC Matters:

Oxidative stress caused by environmental toxins and everyday metabolic activity can damage cells and impair immune defenses. NAC directly supports the production of glutathione—one of the body’s most important antioxidants—helping to neutralize harmful free radicals and support immune resilience.*

Whole-Body Wellness Support*

Immune and Respiratory Health: NAC is well-known for its ability to help maintain healthy lungs and bronchial airways. It has been widely studied for its immune-enhancing effects and role in defending against environmental insults.*

Liver Function: By helping to replenish glutathione stores, NAC supports liver detoxification and promotes normal liver enzyme function—essential for optimal metabolic and digestive health.*

High-Potency, Rapid Absorption*

Each capsule delivers 600 mg of N-acetyl-L-cysteine in a form that is rapidly absorbed and utilized by the body for optimal results.*

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Suggested Use: Take one (1) capsule one to three times daily, or as recommended by a healthcare practitioner.
Serving Size: 1 capsule
Ingredient Amount %DV
N-acetyl-L-cysteine 600 mg **
Other ingredients: vegetable cellulose (capsule), vegetable stearate, silica.
Non‑GMO
Warnings: KEEP OUT OF REACH OF CHILDREN DO NOT EXCEED RECOMMENDED DOSE Do not purchase if outer seal is broken or damaged. When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.