NOW Supplements, NAC Quercetin and Zinc, Respiratory Support*, 90 Veg Caps
NOW Supplements, NAC Quercetin and Zinc, Respiratory Support*, 90 Veg Caps
Out of stock
Couldn't load pickup availability
1,000 mg NAC, 500 mg Quercetin & 15 mg Zinc per serving 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.* Quercetin is a naturally occurring free radical neutralizer that supports healthy seasonal immune system function.* Laboratory studies have demonstrated that quercetin can also help to promote normal respiratory function.* Zinc has been included for its immune-supporting properties.* Natural color variation may occur in this product.
Features & Benefits
- N-acetyl cysteine (NAC) 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*
- Quercetin is a naturally occurring free radical neutralizer that supports healthy seasonal immune system function.* Laboratory studies have demonstrated that quercetin can also help to promote normal respiratory function*
- Zinc has been included for its immune-supporting properties*
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
- Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
Suggested Use & Storage
Take 2 capsules daily.
Ingredients
N-Acetyl Cysteine (NAC) Quercetin and Zinc, Hypromellose (Cellulose Capsule), Ascorbyl Palmitate, Silicon Dioxide and Citric Acid.
Caution
For adults only. Quercetin may interact with a variety of medications; consult physician before using this product if taking prescription drugs (especially nitroglycerin). Consult physician if pregnant/nursing or have a medical condition. Keep out of reach of children.
Product Details
- Serving Size: 2 Veg Capsules
- Servings Per Container: 45
- Quantity Per Unit: 90 Veg Capsules
- Item Weight: 0.30 lb
- Item Dimensions: 2.63 x 2.63 x 4.5 in
- Case Weight: 3.70 lb
- Case Dimensions: 11 x 8.5 x 5 in
- Quantity Per Case: 12
Dietary Attributes & Certifications
- Dairy Free
- Egg Free
- Made w/o Gluten
- non-GMO
- Nut Free
- Soy Free
- GMP
- Non-GMO
- UL Dietary Supplement Certification
Bundle & Save
Choose a 3, 6 or 12 bottle bundle. Larger bundles offer a lower per-bottle price and can reduce individual shipments and packaging materials.
Product SKU & UPC
Select your bundle using the options above. The corresponding SKU and UPC/barcode are shown below.
| Bundle | SKU | UPC / Barcode |
|---|---|---|
| 3 Bottles — $21.74 per bottle | 3088-3 | 733739030887 |
| 6 Bottles — $20.99 per bottle | 3088-6 | 733739030887 |
| 12 Bottles — $20.24 per bottle | 3088-12 | 733739030887 |
Share

Buy More. Save More. Stay Healthy.
Our mission is simple:the more you buy, the more you save.
Unlike traditional retailers that focus on selling one bottle at a time, we specialize in bulk purchasing. By ordering larger quantities directly from trusted manufacturers and passing those savings on to our customers, we're able to offer premium vitamins and supplements at significantly lower prices.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Any Trademark™ or Registered Trademark ® is the property of their rightful owners.
⚠️ WARNING:This product can expose you to chemicals including Lead, which are known to the State of California to cause birth defects or other reproductive harm.www.P65Warnings.ca.gov/food