Does the butterbur in Sinus & Seasonal contain pyrrolizidine alkaloids (PAs)?

No, it is completely PA-free! Our butterbur is carefully processed to ensure purity and safety.

Can Sinus & Seasonal Support be used daily?

Yes, this formula is designed for daily use to help manage seasonal changes and maintain long-term sinus health. It is particularly beneficial for individuals sensitive to pollen, dust, and other environmental triggers.

How soon can results be expected?

Many users report improved sinus clarity, reduced nasal congestion, and better overall comfort within a few days of consistent use. For optimal results, it is best to take Sinus & Seasonal Support before peak allergy season.

Is this supplement safe for long-term use?

Yes, all ingredients are naturally derived and non-drowsy, making this a safe and effective alternative to traditional seasonal relief medications.

Does this product help with non-seasonal sinus issues?

Yes! While designed for seasonal allergies, its anti-inflammatory and mucus-clearing properties can also support year-round sinus health for those sensitive to dust, pet dander, and environmental pollutants.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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LES Labs Sinus & Seasonal – Sinus Relief, Nasal Health, Balanced Histamine Response, Clear Lungs & Respiratory Health – Butterbur, Quercetin, Nettle Root & Bromelain – Non-GMO Supplement – 60 Capsules

Product ID: 2371821

Details

Brand
LES Labs
Diet Type
Gluten Free
Flavor
Unflavored
Item Form
Capsule
Primary Supplement Type
Quercetin

🌿4 potent natural extracts

💨Supports clear lung & respiratory function

🛡️Balanced histamine & immune response

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C$3936

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Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Clear sinuses, clear mind — breathe your best, every day!

QUALITY YOU CAN TRUST - Made in the USA with premium, non-GMO ingredients for peace of mind.
IMMUNE BALANCE ELEVATED - Quercetin promotes a balanced immune response to keep you resilient.
BREATHE FREELY LIVE FULLY - Supports nasal and lung health for uninterrupted productivity.
NATURES POWERHOUSE BLEND - Butterbur, quercetin, nettle root & bromelain team up for seasonal comfort.
SINUS RELIEF WITHOUT THE FOG - Drug-free, non-drowsy formula keeps you sharp and breathing easy.

LES Labs Sinus & Seasonal is a premium, non-GMO supplement featuring a potent blend of butterbur, quercetin, nettle root, and bromelain designed to support sinus and nasal health, promote balanced histamine response, and enhance lung and respiratory function—all without causing drowsiness. Manufactured in the USA, this 60-capsule formula is gluten-free and trusted by thousands for effective seasonal relief and immune support.

Specifications

ASIN	B00G9G16A2
ASIN	B00G9G16A2
Age Range Description	Adult
Best Sellers Rank	#43,447 in Health & Household ( See Top 100 in Health & Household ) #194 in Sinus Medicine
Brand Name	LES Labs
Container Type	Bottle
Customer Reviews	4.2 4.2 out of 5 stars (2,824)
Date First Available	October 28, 2013
Diet Type	Gluten Free
Dosage Form	Capsule
Flavor	Unflavored
Is Discontinued By Manufacturer	No
Item Form	Capsule
Item Weight	0.01 Ounces
Manufacturer	LES Labs
Manufacturer	LES Labs
Manufacturer Part Number	2826636031
Number of Items	1
Package Dimensions	4.25 x 2.2 x 2.05 inches; 0.01 ounces
Primary Supplement Type	Quercetin
Product Benefits	Allergy Relief, Nasal & Sinus Health, Histamine Support
Specific Uses For Product	Nasal, Sinus
UPC	091037758590
Unit Count	60 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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