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DaVinci Laboratories

N-Acetyl Cysteine, 500 mg, 90 Capsules

4.7 · 415 reviews
3,016 ₽

Vegetarian Gluten Free Made with Non GMO Ingredients An amino acid supplement to support immune system function and lung health. Truth We pledge total truth in labeling. Our family of products contains only the purest and most potent ingredients. Guaranteed. N-Acetyl Cysteine (NAC) is a non-essential, free form amino acid that is a highly stable form of cysteine. NAC is necessary for the production of glutathione, helps support healthy lung tissue and helps the body's natural defenses including cellular health.

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Vegetarian Gluten Free Made with Non GMO Ingredients An amino acid supplement to support immune system function and lung health. Truth We pledge total truth in labeling. Our family of products contains only the purest and most potent ingredients. Guaranteed. N-Acetyl Cysteine (NAC) is a non-essential, free form amino acid that is a highly stable form of cysteine. NAC is necessary for the production of glutathione, helps support healthy lung tissue and helps the body's natural defenses including cellular health.

Customer reviews

5.0
verified purchase
A Must-Have for Respiratory and Antioxidant Support!

I started taking this NAC supplement after learning about its powerful antioxidant properties and its role in supporting respiratory health. I’ve been incorporating it into my routine for a few weeks now, taking one capsule daily, and the results have been impressive. For one, my lung function feels more supported, and I’ve experienced fewer episodes of congestion, which was a common issue for me. I also noticed an overall improvement in my energy levels. This supplement is made with high-quality, clean ingredients and is free from unnecessary additives, which is a huge plus. While some people might find the dosage a bit high, I’ve had no issues with the 500 mg per capsule. It’s easy to swallow, and though it has a slight sulfurous smell (which is normal for NAC), there’s no taste at all. If you're looking for a product that can help reduce oxidative stress, improve lung health, and support overall immunity, I highly recommend giving this a try. I’m definitely sticking with it as part of my daily health regimen!

3/7/2025
5.0
verified purchase
Good NAC

I can definitely feel this working. I have had some truoble with NAC before but seem to tolerate more now. I really like that they offer 500 mg instead of 600 mg. I take it every other day instead of every day. I have tried taking higher dosages and I still don't tolerate that. It's still a very important supplement for me, I actually have a deficiency of cysteine and I have high oxidative stress.

10/6/2024
5.0
verified purchase
Reliable Brand

Da Vinci Laboratories is a great brand & their NAC works wonders. Helping my liver detox more efficiently. It’s a great supplement for anyone requiring liver support.

3/27/2025
5.0
verified purchase
Works amazingly well!

I bought this for my wife and she has seen many benefits from taking it daily. For starters, she says her gums have healed, she hasn't had any cold sores since she started taking this (usually she gets them once a month and now hasn't had one for over a year), her hair is healthier, and her nails are stronger. DaVinci Labs has somehow managed to compact a large amount of Vit A, D and K into a small size whereas other brands, you need to take sometimes up to 5 Vit D and add to that the number of other supplements and it gets difficult to swallow. DaVinci Labs has an even larger dose of Vit D (10000 IU's) in a single small pill and we want to try that next. You get what you pay for! DaVinci Labs is definitely worth it. Compare the amounts and you'll see the difference.

7/26/2024
5.0
verified purchase
Love NAC!

Nac is great to help all around particularly with viruses - I take it more during winter and haven't had too many colds or flu while others around me have. Great product!

2/12/2026
5.0
verified purchase
Supported some of my hormonal needs

I am not sure if it worked as needed but I will edit for accuracy.

10/23/2025
4.0
verified purchase
NAC 500 mg

DaVinci Laboratories’ NAC 500 mg offers a high-quality, vegetarian supplement designed to support immune function, lung health, and antioxidant activity. Each capsule provides 500 mg of NAC, a stable form of cysteine that aids in glutathione production. Users have reported benefits such as improved respiratory health and reduced oxidative stress. The product is free from unnecessary additives and is well-reviewed, with many customers expressing satisfaction with its effectiveness. It’s available in a 90-capsule bottle, providing a convenient supply for those seeking to enhance their wellness regimen.

9/23/2025
5.0
verified purchase
Liver & Immune Support

Liver & Immune Support – High-quality NAC that helps detox, immunity, and respiratory health.

8/17/2025
5.0
verified purchase
Great product

NAC has so many benefits, and I trust this company's products.

7/7/2025
5.0
verified purchase

I muscle test myself before using any herbs now, and this one was a strong affirmative test. I'm taking it with a combination of oregano and black seed. It's been over four months now: after the initial healing crisis (bloating, tiredness), my energy is now great. I need less sleep and enjoy good quality sleep with loads of dreams.

4/7/2025