---
product_id: 1326899
title: "NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules"
brand: "now foods"
price: "S$45"
currency: SGD
in_stock: true
reviews_count: 8
category: "Now Foods"
url: https://www.desertcart.sg/products/1326899-now-supplements-nac-n-acetyl-cysteine-600-mg-with-selenium
store_origin: SG
region: Singapore
---

# 250 vegetarian capsules, allergen-free Third-party GMP A-rated quality assurance 600 mg NAC for potent antioxidant defense NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules

**Brand:** now foods
**Price:** S$45
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate your cellular defense—because your body deserves the best shield!

## Quick Answers

- **What is this?** NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules by now foods
- **How much does it cost?** S$45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/1326899-now-supplements-nac-n-acetyl-cysteine-600-mg-with-selenium)

## Best For

- now foods enthusiasts

## Why This Product

- Trusted now foods brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Daily Wellness:** 250 easy-to-swallow vegetarian capsules ensure a convenient twice-daily boost to your antioxidant defenses.
- • **Family-Owned Legacy:** Packaged in the USA by a family business since 1968, blending tradition with cutting-edge supplement science.
- • **Pure & Clean Formula:** Non-GMO, gluten-free, dairy-free, soy-free, and nut-free—crafted for the mindful millennial prioritizing clean wellness.
- • **Cellular Shield Power:** 600 mg NAC combined with selenium delivers robust free radical protection to maintain your cellular vitality.
- • **Trusted Quality Assurance:** GMP A-rated, ISO/IEC accredited lab-tested for potency and purity—because your health deserves nothing less.

## Overview

NOW Supplements NAC 600 mg with Selenium offers a powerful antioxidant formula designed to support cellular health and free radical protection. Featuring 250 vegetarian capsules, this non-GMO, allergen-free supplement is rigorously tested under GMP A-rated standards and crafted by a trusted family-owned company since 1968. Ideal for professionals seeking clean, effective daily wellness support.

## Description

Maintains Cellular Health* With Selenium 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 is also necessary for the formation of glutathione.* Selenium is an essential trace mineral that facilitates the production of several important enzymes.*

Review: Great product - This has worked so well with clearing out mucus from my lungs. Just as a warning, it works TOO good when taking consistently! You will have a lot of phlegm but I think it was worth the purchase.
Review: Extremely effective! - My daughter’s psychiatrist recommended that vitamin and brand! It’s been so helpful towards her own body image! She takes it without me telling her too! It’s easy to swallow, no taste and the size might look big but it’s gelatin and it dissolves easily! I’m very satisfied with the effectiveness and so is she! Will buy it more!

## Features

- FREE RADICAL PROTECTION*: Take 1 NAC capsule with selenium twice daily for free radical protection and to maintain cellular health*
- IMPORTANT NOTE ABOUT THIS PRODUCT: Black spots may appear in NAC because of a normal oxidative reaction, but product is safe to consume. These spots are NOT mold or any other micro-contamination. Micro-testing has been performed to assess product safety
- CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Made without Gluten, Kosher, Dairy Free, Egg Free, Nut Free, Soy Free,
- GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product formulation.
- Packaged in the USA by a family owned and operated company since 1968

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0013OUQ3S |
| Age Range Description | Adult |
| Allergen Information | Dairy Free, Egg Free, Non-GMO, Nut Free, Soy Free |
| Best Sellers Rank | #1,801 in Health & Household ( See Top 100 in Health & Household ) #24 in Amino Acid Nutritional Supplements #243 in Sales & Deals |
| Brand | NOW Foods |
| Brand Name | NOW Foods |
| Color | Off White |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 19,998 Reviews |
| Diet Type | Halal, Kosher |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00733739000866 |
| Item Dimensions | 2.81 x 2.81 x 5.13 inches |
| Item Form | Capsule |
| Item Height | 5.13 inches |
| Item Weight | 0.24 Kilograms |
| Manufacturer | NOW Sports - Nutrition and Wellness |
| Material Features | Vegetarian |
| Material Type Free | egg free,gmo free,soy free,wheat free,gluten free |
| Model Name | NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium & Molybdenum, 250 Veg Capsules |
| Number of Items | 1 |
| Primary Supplement Type | N-Acetyl Cysteine |
| Product Benefits | Antioxidant |
| Special Ingredients | NAC |
| Specific Uses For Product | Maintains Cellular Health |
| Total Servings Per Container | 250 |
| UPC | 733739000866 |
| Unit Count | 250 Count |

## Product Details

- **Brand:** NOW Foods
- **Diet Type:** Halal, Kosher
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Item Weight:** 0.24 Kilograms
- **Item dimensions L x W x H:** 2.81 x 2.81 x 5.13 inches
- **Primary Supplement Type:** N-Acetyl Cysteine
- **Product Benefits:** Antioxidant
- **Special Ingredients:** NAC
- **Unit Count:** 250 Count

## Images

![NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules - Image 1](https://m.media-amazon.com/images/I/71DQCGJZ5-L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Is this the acetylated form of  glutathione?  Thank you.**
A: For acetyl Glutathione, see Amazon's Glutathione Gold in acid-resistant caps to get it to the gut, large 120 size better buy than 60 cap bottle.  NutriCology sells A-G but doesn't say acid-resistant caps though contains acid in listed ingredients.

**Q: Is this plant/food base or a cheap synthetic version???**
A: http://www.nowfoods.com/NAC-600-mg-100-Veg-Capsules.htm.  Should not matter if it is made from plants, food, or chemicals.  It is an amino acid in a very specific form.  So long as the bottle has the NAC and not some crap, then you are good.  It is GMP quality assured, which is the industry oversight group that supplements wanted to use over the FDA.  So it should be NAC, I use it all the time.

**Q: Where, what country, are now nac manufactured?**
A: My container, purchased @ Amazon Feb 08, 2015 says: "Manufactured by NOW FOODS395 S. Glen Ellyn Rd., Bloomingdale, IL 60108, USA. For more product information visit www.nowfoods.com/0086"I will purchase this product again from Amazon. Don Welton

**Q: why is jarrow nac better than now nac?**
A: In my opinion neither is a quality product.  NAC should have a distinct odor you notice as soon as you open the bottle - a rotten egg smell.  Neither of them has this.  There is not odor even if you open the capsule, and no rotten egg taste.

Try Solgar.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by S***R on December 4, 2025*

This has worked so well with clearing out mucus from my lungs. Just as a warning, it works TOO good when taking consistently! You will have a lot of phlegm but I think it was worth the purchase.

### ⭐⭐⭐⭐⭐ Extremely effective!
*by D***E on January 23, 2026*

My daughter’s psychiatrist recommended that vitamin and brand! It’s been so helpful towards her own body image! She takes it without me telling her too! It’s easy to swallow, no taste and the size might look big but it’s gelatin and it dissolves easily! I’m very satisfied with the effectiveness and so is she! Will buy it more!

### ⭐⭐⭐⭐⭐ Highly recommend!
*by D***R on January 16, 2026*

Excellent liver support!

## Frequently Bought Together

- NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules
- NOW Foods Supplements, Silymarin Milk Thistle Extract 300 mg with Artichoke and Dandelion, Double Strength, Supports Liver Function*, 200 Veg Capsules
- NOW Foods Supplements, Omega-3 180 EPA / 120 DHA, Molecularly Distilled, Cardiovascular Support*, 500 Softgels

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sg/products/1326899-now-supplements-nac-n-acetyl-cysteine-600-mg-with-selenium](https://www.desertcart.sg/products/1326899-now-supplements-nac-n-acetyl-cysteine-600-mg-with-selenium)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-01*