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Life Extension

N-Acetyl-L-Cysteine, 600 mg, 60 Capsules

4.8 · 18535 reviews
1,274 ₽

Gluten Free Boosts Cellular Glutathione Levels Dietary Supplement Non-GMO LE Certified N-Acetyl-L-Cysteine (NAC) is an easily-absorbed nutrient with robust benefits for immune, bronchial, respiratory and liver health. N-acetyl-L-cysteine supports immune function, bronchial, respiratory health and liver health. It is a precursor to glutathione, a powerful antioxidant in the body that protects cells from free radical damage. Support immune health, liver function, and protect yourself from oxidative stress with N-Acetyl-L-Cysteine. N-Acetyl-L-Cysteine Benefits Supports immune, bronchial & respiratory health Encourages liver health & function Powerful antioxidant that protects against oxidative stress

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Gluten Free Boosts Cellular Glutathione Levels Dietary Supplement Non-GMO LE Certified N-Acetyl-L-Cysteine (NAC) is an easily-absorbed nutrient with robust benefits for immune, bronchial, respiratory and liver health. N-acetyl-L-cysteine supports immune function, bronchial, respiratory health and liver health. It is a precursor to glutathione, a powerful antioxidant in the body that protects cells from free radical damage. Support immune health, liver function, and protect yourself from oxidative stress with N-Acetyl-L-Cysteine. N-Acetyl-L-Cysteine Benefits Supports immune, bronchial & respiratory health Encourages liver health & function Powerful antioxidant that protects against oxidative stress

Customer reviews

5.0
verified purchase
Best quality ingredients

I started taking care of my health since I noticed few symptoms . And life extension supplements are very good in quality! This particular supplement I am using to detox my respiratory systems and to increase my glutathione levels without damaging my liver ! I feel better breathing ( using it since 2 weeks) i work out and i don’t feel tired, age is late 30 .I don’t see any problem in size and taste I can swallow without any problem no after taste ,

7/16/2025
5.0
verified purchase
Worth a try if you have low energy

I added this to my morning regimen because of a well known billionaire on social media with the motto ''Don't Die'' takes this as part of his anti-aging stack...so far I have to say I honestly feel better on days when I take this supplement. Just one 600 mg capsule first thing in the morning makes a difference for me.

10/9/2024
5.0
verified purchase
short-term only!

high quality, good price, decent dosage. short term re sensitizes dopaminergic activity and response to stimulants, long-term causes depression and stimulant resistance + foul body odor.

12/18/2025
5.0
verified purchase
Great product!

I’ve had a great experience with Life Extension products . So I bought N-acetyl L-cysteine. These 600 mg capsules are easy to swallow and really support my immune system and respiratory health. I like that NAC helps boost my energy and keeps my liver healthy. Since taking it, I feel less tired, and my breathing is clearer, even during allergy season. The antioxidant support and detox benefits make me feel confident about using this product regularly.

10/22/2025
5.0
verified purchase
Clean, simple NAC at a sensible dose

Straightforward single-ingredient NAC with nothing padded in. The 600 mg capsule is a standard size and goes down easily with water. Capsules are firm and not oily, and the bottle has a proper seal with a desiccant inside, so nothing has clumped. Two months per bottle at one a day makes the price very reasonable. Life Extension's quality has been consistent for me across products, and this one is no exception. Will reorder.

8/20/2026
5.0
verified purchase
Good NAC

This NAC is great in capsule form and a reasonable price.

5/22/2026
5.0
verified purchase
Detox

Good quality NAC and a reliable option for supporting overall health, especially when it comes to antioxidant support and recovery. I like including it as part of a more structured routine, particularly during periods of higher stress or when focusing on internal balance. It’s well known for supporting ingredient glutathione production, which plays an important role in cellular protection and detox processes. From my experience, it’s easy to take and well tolerated. Not something you “feel” immediately, but more of a long-term support supplement. Overall, a solid and dependable option for maintaining balance and resilience, normal size

3/26/2026
5.0
verified purchase
This is my first time trying this brand's NAC.

This is my first time trying this brand's NAC. I'll update you later on the results and how it differs from the NOW brand I've used before.

3/23/2026
4.0
verified purchase
So far so good

I like this brand and needed this specific supplement to improve health. Recommend it as not full of fillers

3/5/2026
5.0
verified purchase
Great for respiratory support and clear breathing

I started taking NAC to help with my respiratory health, especially during the winter months. It’s been excellent for keeping my lungs feeling clear. I’ve noticed that I don't get that 'heavy' feeling in my chest as often, and it seems to give my immune system a solid boost. It’s a staple in my supplement cabinet now for staying healthy year-round

2/9/2026