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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LES Labs Sinus & Seasonal Supplement for Respiratory Support, 60 Capsules | Sinus & Nasal Support, Histamine Response, Respiratory Health, Quercetin, PA-Free Butterbur, Bromelain, Nettle Root, Non-GMO

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

¥10645

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Clear sinuses, clear mind — breathe better, live better!

QUALITY YOU CAN TRUST - Non-GMO, gluten-free, USA-made with premium global ingredients for your peace of mind.
IMMUNE BALANCE ELEVATED - Quercetin promotes a balanced immune response to keep you resilient all season.
BREATHE FREELY LIVE FULLY - Supports lung and respiratory health for enhanced daily vitality.
SINUS RELIEF WITHOUT THE FOG - Experience clear breathing minus drowsiness with a drug-free, natural formula.
SEASONAL COMFORT POWERED BY NATURE - Harness the synergy of butterbur, quercetin, nettle root, and bromelain to reduce seasonal discomfort.

LES Labs Sinus & Seasonal is a premium, non-GMO supplement featuring butterbur, quercetin, nettle root, and bromelain to support sinus relief, balanced histamine levels, and respiratory health. Designed for adults seeking natural, drug-free seasonal comfort, it promotes clear breathing and immune balance without drowsiness. Manufactured in the USA with gluten-free ingredients, this 60-capsule formula is trusted by thousands for effective nasal and lung support.

Specifications

ASIN	B00G9G16A2
Age Range Description	Adult
Best Sellers Rank	#51,266 in Health & Household ( See Top 100 in Health & Household ) #214 in Sinus Medicine
Brand	LES Labs
Brand Name	LES Labs
Container Type	Bottle
Customer Reviews	4.2 out of 5 stars 2,827 Reviews
Diet Type	Gluten Free
Dosage Form	Capsule
Flavor	Unflavored
Item Form	Capsule
Item Weight	0.01 Ounces
Manufacturer	LES Labs
Manufacturer Part Number	2826636031
Number of Items	1
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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How is product pricing calculated?+

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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¥10645

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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TrustScore 4.5 | 7,300+ reviews

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