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N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and promotes the formation of glutathione.* Glutathione is a powerful free radical scavenging compound that also helps to maintain normal, balanced immune system function.* In addition, NAC can help to support healthy brain and neuronal tissues.*
Item #:
4573378
NOW Supplements, NAC (N-Acetyl-Cysteine) Tablets, 1000 mg, Free Radical Protection*, 120 Count
Item #:
4573378
€ 48
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Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Only 58 items left in stock.
Order now and get it around Saturday, August 22
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N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and promotes the formation of glutathione.* Glutathione is a powerful free radical scavenging compound that also helps to maintain normal, balanced immune system function.* In addition, NAC can help to support healthy brain and neuronal tissues.*
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What Stands Out
Powerful Antioxidant
NAC serves as a potent antioxidant, protecting cells from free radical damage, thereby supporting overall health and wellness.
High Dosage
With 1,000 mg per tablet, NOW Supplements provides a concentrated dosage designed for effective support of respiratory and liver health.
Convenient Tablets
Packed in 120 easy-to-swallow tablets, this product offers a convenient way to incorporate NAC into your daily supplement routine.
Product Details
- N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine.
- Supports the formation of glutathione, a powerful free radical scavenger.
- Promotes normal, balanced immune system function.
- Supports healthy brain and neuronal tissues.
- Classifications/Certifications: Kosher, Non-GMO, Soy Free, Nut Free, Made without Gluten, Dairy Free, Egg Free.
- GMP Quality Assured, packaged in the USA by a family owned and operated company since 1968.
| Primary ingredient | NAC, Diphenhydramine HCI |
| Vitamin & supplement function | Free Radical Protection* |
| Health concern | Immune System Support |
| Serv per cont | 120 |
| Ingredient preference | Soy-Free |
| Enteral medication form | Tablets |
| Vitamin & supplement type | Herbal Supplements |
| Brand | NOW |
| Product multifunction descriptor | Free Radical Protection, Anti-Inflammatory |
| Dosage | Take 1 tablet 1 to 3 times daily. Store in a cool, dry place after opening. |
| Stop use indications | For adults only. Consult physician if pregnant/nursing, taking medication (especially nitroglycerin), or have a medical condition. Keep out of reach of children. |
| Age group | Adult |
| Count per pack | 120 |
| Serving size | 1 Tablet |
| Product usage frequency | Daily |
| Required storage condition | Cool & Dry Place Storage |
| Package Weight | 0.6 Pound |
Who Should Buy?
-
Antioxidant Support
Ideal for individuals seeking to enhance antioxidant protection against oxidative stress and free radicals.
-
Respiratory Health
Beneficial for those with respiratory conditions, as NAC may help in clearing mucus and improving lung function.
-
Detoxification Needs
Recommended for individuals undergoing detox programs or liver support due to its role in aiding liver health.
-
Pregnant Women
Not advisable for pregnant women, as safety during pregnancy has not been adequately established.
Product Description
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Customer Questions & Answers
-
Question:
What is N-acetyl cysteine (NAC)?
Answer: NAC is a stable form of the non-essential amino acid cysteine. -
Question:
What does NAC do?
Answer: NAC acts as a stabilizer for protein structures, promotes the formation of glutathione, and supports cellular health. -
Question:
Does NAC have any certifications?
Answer: NAC is classified as Kosher, Non-GMO, Soy Free, Nut Free, Made without Gluten, Dairy Free. It is GMP Quality Assured.
NOW Shop all Immune Support Editorial Review
NOW Supplements NAC N-Acetyl-Cysteine is a 1000mg dietary supplement available in 120 tablets that offers free-radical protection. Customers have raved about the effectiveness of the product, with many stating that it has helped them improve their immune system and breathing issues, such as seasonal allergies and asthma. Many customers have used this product for years and were pleased to find it available on Walmart.com. There have been claims from customers and a physician on the news, that NAC with Vitamin D, could potentially reduce COVID-19 fatalities by reducing clotting in the lung tissue and maintaining and expanding lung capacity. Shipping is quick and packaging is well done.
Customer Reviews & Ratings
415 customers ratings
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4 Star
8%
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3 Star
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Pros
- Potential for reducing COVID-19 fatalities by reducing clotting in lung tissue and improving lung capacity
- Quick shipping and well-done packaging
Cons
- Some customers have complained about the smell of the tablets and have found it helpful to leave the lid open a bit
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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€ 48
Order now and get it around Saturday, August 22
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 58 items left in stock.
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Features & Benefits
- NAC is a stable form of cysteine and supports cellular health.
- NAC promotes the production of glutathione, a powerful free radical scavenging compound.
- NAC helps maintain normal, balanced immune system function.
- NAC supports healthy brain and neuronal tissues.
- High-quality natural products produced by NOW.
- Family-owned and operated company since 1968.
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