Supplements
/
Amino Acids
/
NAC - N-Acetylcysteine - 90 Servings
Excellent 4.6 out of 5
Amino Acids

NAC - N-Acetylcysteine - 90 Servings

NAC (N‑Acetylcysteine) is a potent precursor to glutathione that supports antioxidant defenses and liver detoxification. It may also promote healthy respiratory function by thinning mucus and support immune and oxidative-stress resilience.

Learn more about NAC - N-Acetylcysteine - 90 Servings
Cancel anytime
HSA/FSA eligible
Results in a week
Physician reviewed

Every result is checked

·
CLIA-certified labs

Federal standard for testing

·
HIPAA compliant

Your data is 100% secure

Key Facts

  • NAC – N-acetylcysteine is a precursor to glutathione, your body's master antioxidant that neutralizes free radicals
  • Supports respiratory function and immune cell production by facilitating antioxidant activity in the lungs and lymphoid tissues
  • Aids detoxification by helping clear heavy metals and protecting liver and kidney function
  • Available as a 500 mg capsule for convenient daily dosing

Ingredients

N-Acetyl-L-Cysteine, Hypromellose capsule, Leucine, Silicon Dioxide.

Why We Chose This

NAC – N-acetylcysteine addresses a real gap: most people don't get enough dietary precursors to maintain optimal glutathione levels, especially as they age or face environmental stressors. This formulation delivers a clinically studied dose in a clean, plant-based capsule. The addition of Leucine supports amino acid bioavailability, making the NAC more accessible to your cells where it's needed most. If you're looking to support respiratory resilience, immune function, or general detoxification without unnecessary additives, this is a straightforward, research-backed option.

Other Amino Acids

See more supplements

Frequently Asked Questions About NAC - N-Acetylcysteine - 90 Servings

What is the supporting research for the benefits of NAC – N-acetylcysteine?
How do I take NAC – N-acetylcysteine?

Take 600–1,200 mg daily, divided into one or two doses with food to support absorption and minimize stomach upset.

Consult your healthcare provider to determine the right dosage for your specific health goals, as individual needs vary.

Can I take NAC – N-acetylcysteine with other supplements or medications?

NAC may interact with blood thinners, nitroglycerin, and certain blood pressure medications, so check with your healthcare provider before combining. Most supplements pair safely with NAC, though it's wise to discuss your full regimen with your doctor.

Who might benefit from taking NAC – N-acetylcysteine?

People with respiratory conditions like COPD, chronic bronchitis, or asthma benefit from NAC's ability to reduce inflammation and loosen mucus. Those seeking immune support and antioxidant protection also find value in this supplement.

How long does it typically take to notice effects of NAC – N-acetylcysteine?

Most people notice benefits from NAC within 2–4 weeks of consistent daily use. Some respiratory effects, like easier expectoration, can appear within hours to days, though broader antioxidant and immune support typically requires sustained supplementation.

How it works

1

Test your whole body

Get a comprehensive blood draw at one of our 3,000+ partner labs or from the comfort of your own home.

2

An Actionable Plan

Easy to understand results & a clear action plan with tailored recommendations on diet, lifestyle changes, supplements and pharmaceuticals.

3

A Connected Ecosystem

You can book additional diagnostics, buy curated supplements for 20% off & pharmaceuticals within your Superpower dashboard.

Superpower tests more than 
100+ biomarkers & common symptoms

Developed by world-class medical professionals

Supported by the world’s top longevity clinicians and MDs.

Dr Anant Vinjamoori

Superpower Chief Longevity Officer, Harvard MD & MBA

A smiling woman wearing a white coat and stethoscope poses for a portrait.

Dr Leigh Erin Connealy

Clinician & Founder of The Centre for New Medicine

Man in a black medical scrub top smiling at the camera.

Dr Abe Malkin

Founder & Medical Director of Concierge MD

Dr Robert Lufkin

UCLA Medical Professor, NYT Bestselling Author

membership

$17

/month
Billed annually at $199
A smartphone displays health app results, showing biomarker summary, superpower score, and biological age details.
A smartphone displays health app results, showing biomarker summary, superpower score, and biological age details.
What could cost you $15,000 is $199

Superpower
Membership

Your membership includes one comprehensive blood draw each year, covering 100+ biomarkers in a single collection
One appointment, one draw for your annual panel.
100+ labs tested per year
A personalized plan that evolves with you
Get your biological age and track your health over a lifetime
$
17
/month
billed annually
Pricing for members in NY & NJ is $499
Flexible payment options
Four credit card logos: HSA/FSA Eligible, American Express, Visa, and Mastercard.
Start testing
Cancel anytime
HSA/FSA eligible
Results in a week

Finally, healthcare that looks at the whole you