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Description
XYMOGEN Quercetin 20× Plus - Quercetin Supplements - Complex with Vitamin C, N-Acetyl-L-Cysteine & Nettles - Formulated for Respiratory Support - Vegan & Gluten-Free (120 Capsules)XYMOGEN Quercetin 20 Plus is a comprehensive respiratory support supplement designed to help seasonal and ongoing nasal comfort. This vegan, gluten free formula combines Quercetin with Vitamin C, N Acetyl L Cysteine (NAC) and nettle extract to support immune function and respiratory health. Respiratory Support This Quercetin complex has been scientifically formulated to support the respiratory system, including nasal passages. It can help offer
XYMOGEN Quercetin 20× Plus is a comprehensive respiratory support supplement designed to help seasonal and ongoing nasal comfort. This vegan, gluten-free formula combines Quercetin with Vitamin C, N-Acetyl-L-Cysteine (NAC) and nettle extract to support immune function and respiratory health.
- Respiratory Support - This Quercetin complex has been scientifically formulated to support the respiratory system, including nasal passages. It can help offer seasonal or ongoing support.*
- Encourage Healthy Immune Function - For added immune support, this formula also includes Vitamin C and nettle extract. Nettle leaves provide many active components, such as flavonoids, phenolic compounds, organic acids, and vitamins, as well as volatile compounds like fatty acids and polysaccharides.
- Promote Nasal Comfort - The nettle extract and antioxidant compounds in these quercetin supplements come together to help target immune system-related pathways connected to respiratory symptoms. By supporting these pathways, Quercetin 20× can help ease nasal discomfort.*
- Increased Bioavailability - Quercetin, like many other flavonoids, can traditionally have relatively poor absorption in the gastrointestinal tract. That's why this formula uses Quercefit, which is a highly absorbable quercetin phytosome.
- Formulated to Exclude - These quercetin supplements do not include wheat, gluten, corn, yeast, soy, animal or dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners, or artificial preservatives.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Heavy-Duty, Reliable, and Perfect for Outdoor Use
Size: 50 FT, Style: 16/3 Extension Cord, Color: Black, Size: 50 FT, Style: 16/3 Extension Cord, Color: Black
I’m really impressed with this HUANCHAIN 50ft extension cord! The quality is excellent — it’s thick, durable, and clearly built to handle both indoor and outdoor use. The waterproof design is a huge plus, especially for powering outdoor lights, tools, or holiday decorations. It’s handled rain and damp conditions without any problems.
The 16/3 gauge wire provides a strong, steady connection, and the cord stays flexible even in cold weather — no stiff or tangled mess like cheaper cords. The 50-foot length gives me plenty of reach for yard projects, and the black color blends in nicely.
Overall, this is a well-made, dependable extension cord that feels like it’ll last for years. Great value for the price — I’d definitely buy HUANCHAIN again!
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Reviewed in the United States on November 5, 2025
★★★★★ 5
NICE CORD - GOOD PURCHASE
Size: 50 FT, Style: 16/3 Extension Cord, Color: Black
Purchased to use with an electric outdoor dusk to dawn light that needs to be plugged in but I needed an extension cord to reach the outlet. This worked perfectly. I also liked that the cord is very pliable. It would be easy to roll up if you just need an extension cord occasionally.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Great buy!
Size: 50 FT, Style: 16/3 Extension Cord, Color: Black
Exactly what I ordered. Sturdy and reliable cord. Definitely recommend! Great price!
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Extension cord
Size: 50 FT, Style: 16/3 Extension Cord, Color: Black
Cheaply made but has strong plugends. I wish the insulation was like more like the heavy duty outside extension. Cords. This cord is still good especially for the price. The male and female ends are high grade plugs it looks like. Just wish they woulda placed a thicker outer insulation over the extension cord but it’s water proof and can be used outside it’s worth buy for long cord for the price
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Good Product
Size: 50 FT, Style: 16/3 Extension Cord, Color: Black
I bought this for some Christmas decorations and it worked out well. I probably could have found a cheaper one in a store but it was convenient to buy it online and it arrived quickly. Great for outdoor use and I'm sure it will last a long time.
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Reviewed in the United States on May 1, 2026