Good product. Use it every day. Recommended by my doctor
| Manufacturer | Natural Factors |
|---|---|
| Place of Business | NATURAL FACTORS Coquitlam, B.C. V3K 6Y2 |
| Manufacturer reference | 627765080032 |
| Product Dimensions | 8 x 8 x 12.5 cm; 200 g |
| ASIN | B0956BYQNJ |
Frequently bought together
This item: Natural Factors NAC (N-Acetyl-L-Cysteine), 600 mg, 180 Vegetarian Capsules, VALUE SIZE, Free form Amino Acid, Helps Restore Glutathione Levels, Antioxidant Support, Respiratory System Support, Proudly Canadian
$26.49($0.15/count)
Get it by Monday, Jun 30
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$18.99($0.16/count)
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Product Description
Glutathione Precursor
Natural Factors N-Acetyl-L-Cysteine (NAC) is a free-form amino acid required by the body to make glutathione. Glutathione is a key antioxidant that is involved in many physiological processes, such as fighting oxidative stress, repairing tissues, and supporting overall health.
ISURA Third-Party Product Verification & Certification
The ISURA seal indicates that this product is independently verified as clean and safe, and has been tested for up to 800 possible contaminants. This product is ISURA verified clean, one of the highest testing standards in the world.
Natural Factors is Canadian!
Natural Factors is one of the largest manufacturers of nutritional products in North America. Our origins reach back to the 1950s, and right from day one, we’ve always been fully committed to making products right and have always been 100% Canadian owned and operated.
Natural Factors NAC 600mg
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Natural Factors L-Lysine 1000mg
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Natural Factors L-Tyrosine 500 mg
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Natural Factors L-Glutamine 1000 mg
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Natural Factors L-Arginine 1000 mg
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Natural Factors L-Tryptophan 220 mg
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| Size | 180 Veg Caps | 120 Tabs | 120 Veg Caps | 60 Veg Caps | 180 Tabs | 90 Veg Caps |
| Benefits | Scavenges Free Radicals & Reduces Oxidative Stress. Aids in Respiratory Health. | Helps Reduce the Recurrence, Severity, & Healing Time of Cold Sores | Helps Decrease Cognitive Fatigue Resulting from Physically Stressful Situations | Enhances Muscle Tissue Repair After Exercise | Helps Support Healthy Heart Function | Assists in the Building of Lean Muscle Mass when Combined with Regular Resistance Training |
| Key Ingredients | NAC (N-Acetyl-L-Cysteine) | L-Lysine (hydrochloride) | L-Tyrosine | L-Glutamine | L-Arginine (hydrochloride) | L-Tryptophan |
| Potency | 600 mg | 1000 mg | 500 mg | 1000 mg | 1000 mg | 220 mg |
| Gluten Free, Vegetarian, Non-GMO | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| No Artificial Colours, Preservatives or Sweeteners | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Third Party Tested (ISURA) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Canadian | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Product information
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Effective But Watch the Shelf Life
When I was taking just one capsule a day, I ended up having to toss half the bottle because it developed a strong sulfur/fart smell. After Googling whether it was still safe to take, I found mixed answers and decided to play it safe. Now, I’m taking two capsules daily, hoping to finish the bottle before it turns. Despite this, I’ve had a lot of success with the product! I originally got it for the mental health benefits and liver-clearing properties, and I’ve noticed a real difference. It may be placebo, but I feel more focused and less anxious. It’s not as strong as a pharmaceutical, of course, but I can tell the difference when I skip a few days I feel it, my ability to work and interact with others takes a hit. I always recommend this to everybody I know. There are so many other health benefits to this amino acid, and it’s worth a try. Just be sure to keep an eye on storage and use it up in time!
Top reviews from Canada
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- Reviewed in Canada on June 6, 2025Verified Purchase
- Reviewed in Canada on March 21, 2025Verified Purchase
I have found Natural Factors NAC (N-Acetyl-L-Cysteine) to be quite beneficial. Despite noticing several colleagues absent from work, I was able to maintain my productivity, thanks in part to this supplement. However, I would like to highlight a potential side effect: it may influence libido. Therefore, I recommend cycling this product on and off, as is advisable with many supplements. Overall, it offers valuable antioxidant support and aids in restoring glutathione levels, but moderation is key for optimal results.
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- Reviewed in Canada on May 13, 2025Verified Purchase
