What is NAC used for?

N-acetyl-L-cysteine is a precursor to glutathione. In the body, glutathione is a powerful antioxidant which helps protect cells from oxidative stress. NAC supplements are used for immune health support.

How does NAC support immune health?

Studied for its immune health benefits, N-acetyl-L-cysteine defends against insults from foreign compounds. N-acetyl-L-cysteine supports healthy respiratory function as well as bronchial health.

What does NAC do for your liver?

N-acetyl-L-cysteine has powerful antioxidant effects, helping to protect cells from free radicals.

Is it safe to take NAC daily?

It is generally OK to take N-Acetyl-L-Cysteine (NAC) every day. Consult your health care practitioner if you have concerns about adding NAC to your supplement regimen.

When to take NAC, morning or night?

There is no specific time to take NAC optimally, although we recommend taking 1-3 times a day, depending on dosage. If you have sensitive digestion, you can take NAC with meals.

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🛡️ Elevate your defense with every capsule — because your body deserves the best.

CLEAN PURE INGREDIENTS - Gluten-free, non-GMO, and USA-made for uncompromising quality and safety.
RAPID ABSORPTION FORMULA - 600mg of bioavailable NAC ensures fast, effective nutrient delivery.
ANTIOXIDANT DEFENSE UPGRADE - Replenishes glutathione to combat oxidative stress and protect your cells.
WHOLE BODY WELLNESS POWERHOUSE - Supports respiratory, liver, and immune health for peak daily performance.
SCIENTIFICALLY BACKED LONGEVITY - Formulated with 40+ years of research to elevate your health journey.

Life Extension N-Acetyl-L-Cysteine (NAC) delivers 600mg of a highly bioavailable antioxidant precursor per capsule, designed to support respiratory, liver, and immune health. Gluten-free, non-GMO, and manufactured in the USA, this supplement replenishes cellular glutathione to protect against oxidative stress, backed by over four decades of scientific research.

Reviews

R**R

Good

Original

24.08.2024

S**E

Rotten or expired

The product smell rotten inside!I am taking nac for years and this bottle has a very strong rotten smell i am throwing awayThe expired date is 2026 so i don’t what is the problem

20.05.2025

A**R

Bad smell

This product smells awful, i bin it

6.06.2025

A**Y

How it possible to return it?

This product smells exactly as rotten eggsBut I felt it only after opening can.I suppose it is a defective product.

12.09.2024

R**N

Horrific smell

Smells like feces when you open it. Had to bin this product.

28.09.2024

K**N

Bloating

Causes severe bloating!. No return policy is kinda trap.

20.04.2021

M**N

Supper product

Love this product.very effective

7.01.2023

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Product Name	NAC Supplement
Additives	N-acetyl-L-cysteine
Allergen Information	Gluten Free
Weight	0.2 Kilograms
Units	60 Count
Serving Recommendation	Take one (1) capsule one to three times daily, or as recommended by a healthcare practitioner.
Brand	Life Extension
Format	Capsule
Age Range Description	Adult
Country of origin	USA

Life Extension N-Acetyl - L-Cysteine (NAC) 600mg For Immune Respiratory and Liver Health Support Boosts Antioxidant & Free Radicals Cellular Glutathione Level Gluten Free & Non-GMO, 60 Capsules

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